bolt - メーカー・企業173社の製品一覧とランキング | イプロス

更新日： 集計期間:Jan 14, 2026～Feb 10, 2026
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boltのメーカー・企業ランキング

更新日： 集計期間:Jan 14, 2026～Feb 10, 2026
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  1. ヨシモトポール Tokyo//Building materials, supplies and fixtures manufacturers
  2. 岡部 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 八州電工 Osaka//Building materials, supplies and fixtures manufacturers
  4. 4 null/null
  5. 5 大鳥機工 Tottori//Building materials, supplies and fixtures manufacturers
企業ランキングへ

boltの製品ランキング

更新日： 集計期間:Jan 14, 2026～Feb 10, 2026
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  1. Pole adapter for electrical material joint parts of different diameters and shapes. 八州電工
  2. Construction hardware products Auto Flash Bolt (Automatic French Drop Bolt) 大鳥機工
  3. Disaster Prevention Administrative Wireless Column "Ace Mast" ヨシモトポール
  4. 4 Self-drilling lock bolt "OSDP Lock Bolt" 岡部
  5. 5 Sanko-style one-sided bolt "Stratite SH type"

boltの製品一覧

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Forging Technology Introduction DVD 【*Free Gift!】

Forging Technology Introduction DVD 【*Free Gift!】

Free DVD giveaway of "Forging Technology" from Teikoku Seiko, supporting social infrastructure!

Teikoku Seibou Co., Ltd. has both hot and cold forging equipment, utilizing the characteristics of each to manufacture standard bolts, as well as irregular bolts and special steel bolts, regardless of the lot size, and is supported by many companies as a fastener manufacturer. Furthermore, we are equipped with processing facilities that can carry out secondary processing of bolts consistently. We respond to various fastener needs. We are offering a DVD that introduces our forging technology for free. The DVD provides an overview of hot and cold forging technology. *Companies wishing to receive the "DVD" should contact us and indicate "DVD request." *For urgent matters or technical inquiries, please contact us directly through our website.

  • others
  • bolt

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Railway-related products: Rail screws

Railway-related products: Rail screws

We offer screws with high precision and strong threads produced by the hot rolling method!

At Teikoku Seibou, a leading company in rail fastening component manufacturing, we handle "rail screws." The intended uses are for fixing rails and fastening tie plates. We have cut threads to increase the pull-out resistance of the screws. With the spread of synthetic sleepers, there are often cases where screws with thinner shaft diameters or smaller head diameters are produced, and the shapes are changed depending on the usage location, compared to conventional rail screws. Once we receive your drawings, we will start with mold design and proceed to manufacturing, so please feel free to consult with us. 【Features】 ■ High-precision and strong threaded parts due to hot rolling method ■ Threads are cut to increase the pull-out resistance of the screws ■ JIS mark certification product (JIS E1109) *For more details, please refer to the PDF materials or feel free to contact us.

  • Safety and consumables
  • bolt

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Railway-related products: fastening bolts and switch bolts.

Railway-related products: fastening bolts and switch bolts.

Numerous chock bolts and various shaped bolts related to signals and electricity.

The bolts for railway switches (points) are manufactured using a hot forging system. A variety of chock bolts and various shaped bolts related to signals and electrical systems are produced using this hot forging system. We manufacture different types of screws, including metric screws and Whitworth screws (inch-based), according to your requests. Based on our outstanding technical capabilities, we also produce a variety of other items. *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

  • Safety and consumables
  • bolt

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Railway-related products: resin-coated bolts for electrical contact and anti-corrosion.

Railway-related products: resin-coated bolts for electrical contact and anti-corrosion.

Bolts treated with coatings such as nylon-based and epoxy-based.

Electrolytic corrosion is a phenomenon where metal rapidly dissolves due to the flow of electricity from natural phenomena on the surface of the metal. Iron structures are painted, and this paint contains a lot of zinc, which provides rust prevention effects. However, there are many areas of corrosion on bolts that have been treated with hot-dip galvanized coating, especially in places that experience repeated wetting and drying or have high humidity. To help address these issues, we also sell bolts that have been coated with nylon-based and epoxy-based treatments. *For urgent or emergency cases, or for technical inquiries, please contact us directly through our website.*

  • Natural paints (water-based, ink, etc.)
  • Safety and consumables
  • bolt

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Construction-related products high-strength hex bolts

Construction-related products high-strength hex bolts

High-strength hex bolts, which are active in construction such as steel frames and bridges, are also one of our main products.

High-strength hex bolts (M12 to M30), which are active in construction work such as steel frames and bridges, are one of our main products. High-strength hex bolts play an important role in supporting the construction industry of tomorrow as components for construction machinery. They are made from special steel materials such as low-carbon manganese, chromium, and boron steel, ensuring stable mechanical properties. We maintain stable quality through consistent production using advanced bolt forming equipment (for diameters of 27mm or less). Leveraging years of experience in hot forging technology, we also manufacture large-diameter high-strength hex bolts (M33 to M76). We mass-produce products with stable quality through strict lot management based on JIS B1186. We have a rich inventory of standard products and respond quickly to orders. *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

  • Work tools
  • bolt

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Construction-related products: Stainless steel high-strength hex bolts

Construction-related products: Stainless steel high-strength hex bolts

It has excellent design, corrosion resistance, and durability, and is widely used in various fields.

Stainless steel is excellent in design, corrosion resistance, and durability, and has been widely used in various fields for a long time. High-strength hex bolts used for stainless steel structural materials are regulated by JIS B1186 "Set of High-Strength Hex Bolts, Hex Nuts, and Flat Washers for Friction Joints." However, since the chemical composition of the material and the manufacturing method are not specified here, high-strength hex bolts made of stainless steel are manufactured based on the standards of the Stainless Steel Structural Engineering Association, SSBS301 "Set of High-Strength Hex Bolts, Hex Nuts, and Flat Washers for Structural Stainless Steel" (10T-SUS, 10-SUS, 35-SUS). *For urgent or emergency cases, or for technical inquiries, please contact us directly through our website.

  • Safety and consumables
  • Structural Materials
  • bolt

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Construction-related products TM truss bolts (TM bolt)

Construction-related products TM truss bolts (TM bolt)

We can provide high quality, high strength, and corrosion-resistant treatment for bolts of various sizes.

TM truss bolts are used in the spherical joint sections of the TM spatial truss (by Taiyo Kogyo Co., Ltd.), which creates an ideal space without columns. TM bolts are made from chromium-molybdenum steel (SCM435) and nickel-chromium-molybdenum steel (SNCM439), and are heat-treated to achieve high strength using advanced heat treatment equipment. Additionally, they are specially treated for corrosion resistance to prevent delayed fracture. Teikoku Seibou Co., Ltd. can provide high-quality, high-strength, and corrosion-resistant treatment for bolts of various sizes (with a maximum neck length of 1,000 mm). *For urgent or emergency inquiries, or for technical questions, please contact us directly through our website.

  • Safety and consumables
  • bolt

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Large machinery, civil engineering, and ship-related products hex bolts (4.6 to 12.9)

Large machinery, civil engineering, and ship-related products hex bolts (4.6 to 12.9)

We can manufacture bolts of all sizes according to user needs.

There are two types of hexagon head bolts based on the width of the two flat sides: 1. Standard hexagon bolts (regular hexagon bolts), and 2. Small hexagon bolts (hexagon bolts with a head width smaller than that of standard ones). The applicable strength classifications are 4.6, 8.8, and 10.9. Teikoku Seiko Co., Ltd. can manufacture bolts of all sizes according to user needs. Additionally, since October 1993, Teikoku Seiko Co., Ltd. has been producing high-strength hexagon bolts with a diameter of 10.9 (JIS standard) using advanced heat treatment technology that leverages hot forging technology (with a maximum shank length of up to 1,000 mm). *For urgent or emergency inquiries, or technical questions, please contact us directly through our website.

  • Safety and consumables
  • Joining and fastening materials
  • bolt

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Large machinery, civil engineering, and ship-related products stainless steel bolts

Large machinery, civil engineering, and ship-related products stainless steel bolts

It is manufactured under strict quality control with extensive experience in all processes.

The stainless steel bolts manufactured by Teikoku Seibou Co., Ltd. are produced based on years of accumulated technology and proven results. All products are made to order. The manufacturing process includes hot forging, solution treatment, NC cutting, thread rolling, and surface treatment, all carried out under strict quality control and with extensive experience in each stage. The range of thread rolling capabilities spans from small diameters to large diameters, meeting all kinds of needs (with a maximum neck length of up to 1,000mm). *For urgent or emergency inquiries, or for technical questions, please contact us directly through our website.

  • Safety and consumables
  • bolt

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Large machinery, civil engineering, and ship-related products; special products, irregular products, and wit screws.

Large machinery, civil engineering, and ship-related products; special products, irregular products, and wit screws.

With reliable technology and a trustworthy system, we have been dedicated to each and every task.

Teikoku Seibou Co., Ltd. has been dedicated to each task with reliable technology and a trustworthy system. Furthermore, in order to respond to the "next needs," we have established a system that leverages the characteristics of the hot and cold forging technologies we have cultivated up to today, allowing us to accommodate all kinds of orders. Whether it's standard bolts or irregular products and bolts, please feel free to reach out to us with any inquiries or requests for quotes, regardless of the quantity, including questions like "Can you make something like this?" or "Can it be produced more economically?" *For urgent cases or technical inquiries, please contact us directly through our website.

  • Safety and consumables
  • bolt

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Hex bolts for large machinery (4.6, 8.8, 10.9)

Hex bolts for large machinery (4.6, 8.8, 10.9)

High-strength heat treatment with advanced equipment! Hex bolts for large machinery.

The "Large Machine Hex Bolt" from Teikoku Seibou is a hex bolt made from chromium-molybdenum steel (SCM435, 440) and nickel-chromium-molybdenum steel (SNCM439). 【Features】 ◆ High strength due to quenching with advanced heat treatment equipment, ensuring stable quality ◆ Stable torque management during tightening is possible when combined with nuts ◆ The hex head bolts are available in two types based on the width of the two opposing sides: - Standard hex bolt (regular hex bolt) - Small hex bolt (hex bolt with a head width smaller than that of the standard hex bolt) - Applicable strength classifications are 4.6, 8.8, 10.9 *For urgent or emergency inquiries, or technical questions, please contact us through our website.

  • Joining and fastening materials
  • bolt

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Product Catalog: Types of Dog Nails

Product Catalog: Types of Dog Nails

For general sections, laying sections, and frozen sections! Fastening nails for sleepers.

The production of dog spikes has walked alongside Japan's long railway history. Even today, they are highly regarded both domestically and internationally for use in fastening rails for wooden and synthetic sleepers. "Dog spike (standard)" is defined by JIS and comes in general and N-rail types. The N-rail type "dog spike (round head)" is used for fastening sleepers in turnouts, expansion joints, and turnout-type plates, while the "dog spike (square head)" is also available for fastening sleepers in turnouts and expansion joints. 【Features】 ○ General use - The angle under the head is 13° ○ N-rail use - The angle under the head is 1:10 ○ Square head spike - The angle under the head is 1:6 - Designed considering the shortcomings of the round head spikes listed below *For urgent or emergency inquiries, please contact us through our website for technical questions.

  • Joints between components
  • Work tools
  • Road construction
  • bolt

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Product Catalog: Rail Screws

Product Catalog: Rail Screws

High fastening strength! Hard-to-loosen rail screws.

The "rail screw nail" is a screw that has been threaded to increase the resistance to pulling out nails. Its intended use is the same as that of dog nails, for fixing rails and tie plates. With the widespread use of synthetic sleepers, there are many cases where screws with thinner shaft diameters or smaller head diameters are produced, and the shape is changed depending on the application. Once we receive the drawings, our company will start with the design of the molds and proceed with manufacturing. 【Features】 ○ Provides a higher fastening strength to wood and synthetic sleepers, making it less likely to loosen ○ Features a high-precision and strong screw section due to the hot rolling method *For urgent or emergency inquiries, please contact us through our website for technical questions.

  • Joints between components
  • Work tools
  • bolt

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Product Catalog: Hot-Dip Galvanized High Strength Bolts (F8T)

Product Catalog: Hot-Dip Galvanized High Strength Bolts (F8T)

High-strength bolts that are active in steel frame and bridge construction.

"Hot-dip galvanized high-strength bolts" are bolts used for construction machinery. High-strength hex bolts (M12 to M30), which are active in steel frame and bridge construction, are also one of our main products. We use special steel materials for high-strength hex bolts, such as low-carbon manganese, chromium, and boron steel, ensuring stable mechanical properties of the products. We have a rich inventory of standard products and will respond quickly to your orders. 【Features】 - Utilizing advanced equipment for bolt forming (φ27mm and below) for consistent production, ensuring stable quality. - Leveraging years of hot forging technology, we also manufacture large-diameter high-strength hex bolts (M33 to M76). - Mass production of products with stable quality through strict lot management (based on JIS B1186). *For urgent or emergency inquiries, please contact us through our website for technical questions.

  • Work tools
  • bolt

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Hexagon socket bolt, Allen bolt

Hexagon socket bolt, Allen bolt

Anbrako that guarantees strength 12.9 for sizes M20 and above.

UmbraCo bolts are manufactured using advanced heat treatment technology developed through the design and mass production of aerospace screws, achieving the industry's highest strength of 130-140 Kgf·mm² while also guaranteeing a elongation rate of 9%.

  • Joints between components
  • Work tools
  • Joining and fastening materials
  • bolt

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A4L-100 SUS316L high-strength stainless steel bolt

A4L-100 SUS316L high-strength stainless steel bolt

A4L-100 is a high-strength stainless steel bolt. It is available in a lineup from M16 to M27.

Based on years of experience with various types of stainless steel, SUS316L is highly regarded for its corrosion resistance and non-magnetic properties, and it is widely available in the market. We have developed bolts with a tensile strength of 1,000 N/mm² using SUS316L, along with nuts and washers designed to be used in combination with these bolts. In the development process, we focused on three points: 1. simplifying the manufacturing process, 2. preventing galling (deterioration of torque coefficient) due to metal contact between the bolt and nut when tightened with high axial force, and 3. ensuring that the nuts and washers, which must withstand the strength of the bolts, are developed from the same material.

  • Fishing reef
  • bolt

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Aerospace Fasteners Comprehensive Catalog

Aerospace Fasteners Comprehensive Catalog

The types of metal materials used in aircraft are very diverse, and their specifications are also varied.

The standards used for aircraft vary in their fields/features and are used selectively as needed. This catalog introduces MS, NAS, and AN.

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  • bolt

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BUMAX 316L Stud (Cut to Length)

BUMAX 316L Stud (Cut to Length)

High-strength stainless steel bolts BUMAX now available in cut-to-length bolts! We will provide them cut to the required length.

This is a stainless steel fastener made from SUS 316L, excelling in high strength, corrosion resistance, heat resistance, non-magnetism, and resistance to galling!

  • Rock drills, demolition machines, and excavators
  • Construction machinery leasing and rental
  • Measurement and analysis equipment leasing and rental
  • bolt

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Inconel 718 high-strength heat-resistant bolt

Inconel 718 high-strength heat-resistant bolt

We will manufacture engineered fasteners!!!

Inconel 718 has excellent machinability, and when forged and subjected to aging treatment, it becomes highly reliable for use as bolts. Examples of applications include gas turbine components, rocket engine parts, aircraft components, reactor parts, pressure vessels, heat-resistant springs, fasteners, and hot working tools, making it useful for various heat-intensive applications. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions to all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening, as a technical trading company. We supply optimal products tailored to customer needs, from short lead times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

  • Work tools
  • bolt

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17-4PH heat-resistant high-strength bolt

17-4PH heat-resistant high-strength bolt

We will manufacture engineered fasteners!!!

17-4PH is a material known as SUS 630, which is widely used as a high-strength bolt material due to its ability to achieve precipitation hardening. Examples of applications include shafts, turbine components, and steel belts. Yura Sansho Co., Ltd., a supplier of industrial fasteners, proposes solutions to all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening, as a technical trading company. We supply optimal products tailored to customer needs, from short lead times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

  • Work tools
  • bolt

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422 Cress Heat-Resistant High-Strength Bolt

422 Cress Heat-Resistant High-Strength Bolt

We will manufacture engineered fasteners!!!

422 Kress is a material known as SUH 616, used as a bolt material for medium to high temperatures. Examples of applications include high-temperature structural components, steam turbine blades, discs, rotor shafts, bolts, etc. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions as a technical trading company for all issues related to fastening, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

  • Work tools
  • bolt

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Hastelloy C-276 corrosion-resistant bolt

Hastelloy C-276 corrosion-resistant bolt

We will manufacture engineered fasteners!!!

Hastelloy C-276 has excellent corrosion resistance against a wide range of harsh corrosive environments. It has good weldability and does not require heat treatment after welding, ensuring good corrosion resistance of the welded joints. Examples of applications include pollution prevention and flue gas desulfurization (FGD) systems, chemical industry equipment, pulp and paper industry equipment, and waste treatment facilities. Yura Sansho Co., Ltd., a supplier of industrial fasteners, will propose solutions as a technical trading company for all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

  • Work tools
  • bolt

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Hastelloy B-2 corrosion-resistant bolt

Hastelloy B-2 corrosion-resistant bolt

We will manufacture engineered fasteners!!!

Hastelloy B-2 is an improved alloy of Hastelloy B, with corrosion resistance comparable to B, but with enhanced corrosion resistance at welded joints, allowing it to be used in most chemical equipment as welded. Examples of applications include towers, tanks, and heat exchangers in petrochemical industries (such as PVC, polyethylene, polystyrene, benzene, etc.), as well as sulfuric acid production facilities. Yura Sansho Co., Ltd., a supplier of industrial fasteners, offers solutions to all fastening-related issues, including high strength, heat resistance, corrosion resistance, and loosening, as a technical trading company. We supply optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. We also accept inquiries regarding various standards such as JIS, ISO, SAE, ASTM, and ANSI. For more details, please contact us or refer to our catalog.

  • Work tools
  • bolt

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【Strength Guarantee】A2-70 Stainless Steel Hex Bolt

【Strength Guarantee】A2-70 Stainless Steel Hex Bolt

Strength classification A2-70! Strength guarantee! JIS standard body specification Austenitic stainless steel (A2) hexagon bolt with flange.

The mechanical properties are guaranteed based on JIS B 1054-1. This hex bolt guarantees the "strength classification A2-70" created according to the JIS B 1180 main standard. All materials used are domestic materials based on "JIS G 4308 stainless steel wire."

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Aluminized α treatment suitable for preventing galling and seizure of hex bolts and nuts.

Aluminized α treatment suitable for preventing galling and seizure of hex bolts and nuts.

It is highly resistant to corrosion, seawater, and heat, and does not suffer from corrosion degradation or deformation even at high temperatures!

◎What is Aluminaize α treatment… It is a processing method that involves performing low-temperature thermal diffusion treatment on the aluminum layer on the surface, allowing the aluminum layer to interdiffuse with the base material to form an alloy layer (Fe-Al intermetallic compound). ◎Why does it not seize… When the surface of the screw or the mating material reaches high temperatures, oxidation occurs, resulting in the formation of scale over 6μ. When removing the bolt, the generated scale accumulates (sticks) in the clearance between the female and male threads, causing seizing or galling. The scale from the Aluminaize α treatment is a maximum of 2μ, allowing it to roll within the clearance between the female and male threads when removing the bolt, acting as a lubricant and preventing seizing and galling. ◎Materials suitable for Aluminaize α treatment Iron, cast iron, steel, alloy steel, SUS materials, heat-resistant steel, titanium, Inconel, Hastelloy, etc. *For more details, please contact us or download the PDF.

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SUS304CUN High Strength Cut Bolt ★A2-90★

SUS304CUN High Strength Cut Bolt ★A2-90★

Pure domestic production with high strength! Ultra aesthetic and highly corrosion-resistant! Guaranteed 900N/mm²!

★Pure Domestic★ High-Strength Cut-Length Bolts are now available! ■Material: SUS304CUN (Mill certificate available) ■Thread accuracy: 6g ■Strength: A2-90 ■Guaranteed load: 900N/mm2 ■Surface treatment: Passivation Compared to conventional cut-length bolts, they offer significantly higher strength and have stress corrosion cracking resistance equivalent to 316. ■Providing safety and security in the construction and civil engineering fields! ------------------------------------------------------------ For details such as available sizes, click the 【Download】 button! ------------------------------------------------------------ 　　　↓　　↓　　↓

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[Special Feature] 19th Mechanical Components Technology Exhibition ★Exhibition★

[Special Feature] 19th Mechanical Components Technology Exhibition ★Exhibition★

We will introduce the exhibition scenery and the exhibited products.

We exhibited at the "19th Mechanical Components Technology Exhibition" held recently at Tokyo Big Sight. In response to your requests, we would like to introduce the exhibition scenery and the products we showcased.

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★High corrosion resistance★ Stainless steel high-strength bolt SUS630 hex high tensile

★High corrosion resistance★ Stainless steel high-strength bolt SUS630 hex high tensile

Durability!! For buildings that require long lifespan and maintenance-free performance in normal environments!

Characteristics of Stainless High-Tension Bolts ☆ Durability and Corrosion Resistance ☆ Aesthetic Design ☆ Fire Resistance and Low-Temperature Properties ☆ Mechanical properties are equivalent to JIS B 1186 high-strength hex bolts F10T for friction joints.

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■Ultra High Strength■Strength Classification 14.9 Hexagon Socket Bolt

■Ultra High Strength■Strength Classification 14.9 Hexagon Socket Bolt

Boasting a tensile strength of 1,400 N/mm² while achieving over 9% elongation!

A jointly developed product with the top-tier manufacturer, Kyokuto Seisakusho Co., Ltd., known for its high technical capabilities. A hexagon socket bolt boasting an ultra-high strength of "14.9". Utilizing high-strength steel with excellent "delayed fracture characteristics," it achieves a tensile strength of 1,400 N/mm² while maintaining an elongation of over 9%. The adoption of aerospace-grade "MJ screws" enhances fatigue resistance. "Ultra strength" resolves issues in maintenance. *For more details, please contact us or download the PDF.*

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Free Gift ★ Latest Edition ★ Screw Troubleshooting Case Study Collection - Rev10 -

Free Gift ★ Latest Edition ★ Screw Troubleshooting Case Study Collection - Rev10 -

If you've ever had trouble with screws, please read this! We will solve your problem! Delivered with an upgraded version from last time.

Do you have any concerns regarding screws? 1. High-performance bolts are difficult to procure. Our company offers a diverse stock of high-performance bolts for sale. 2. I want bolts that are resistant to heat and rust. We also handle bolts and coatings that excel in heat and corrosion resistance. Other concerns include… ■ A corrosive environment but cannot compromise on strength. ■ Want to prevent seizing without using lubricants, etc. This document introduces the voices of concerns raised by our customers along with proposals for solutions, case studies, and various screw products. Leave your diverse problems to the screw concierge, Yura Sansho. ★ We will propose screws that suit your needs. If you would like the document, please click the [Download] button! *This is an IPROS exclusive distribution!

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