bolt Product List and Ranking from 22 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 26, 2025～Dec 23, 2025
This ranking is based on the number of page views on our site.

bolt Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 26, 2025～Dec 23, 2025
This ranking is based on the number of page views on our site.

  1. ノルトロックジャパン Osaka//Building materials, supplies and fixtures manufacturers
  2. トーネジ（ 旧 東京ネジ製作所） 東京本社 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 大津鉄工 Aichi//Other construction industries
  4. 4 池田金属工業 Osaka//Building materials, supplies and fixtures manufacturers
  5. 5 山崎 Shiga//Building materials, supplies and fixtures manufacturers
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bolt Product ranking

Last Updated： Aggregation Period:Nov 26, 2025～Dec 23, 2025
This ranking is based on the number of page views on our site.

  1. Measures against bolt loosening at construction sites! Nord-Lock washers. ノルトロックジャパン
  2. Temporary assembly bolt for steel structures "Hug Bolt" トーネジ（ 旧 東京ネジ製作所） 東京本社
  3. High Tension Bolt "Torshia Type Ultra High Strength Bolt (SHTB)" 大津鉄工
  4. 4 [Nortlock Product Adoption Case] Tokai Railway Company (JR Tokai) ノルトロックジャパン
  5. 4 <NETIS Registered Product> Powerful Locking Washer 'Nord-Lock Washer' ノルトロックジャパン

bolt Product List

16～30 item / All 45 items

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Hexagon socket bolt with washer assembly

Hexagon socket bolt with washer assembly

A wide range of products in the lineup! Hexagon socket bolts with built-in washers.

The "Washer-Integrated Hexagon Socket Bolt" is a product of Okai Iron Works Co., Ltd., which manufactures and sells various fasteners and precision parts. We offer a wide range of products, including the "V type," which incorporates a wave washer to enhance spring action, and the "S type," which is expected to provide strong tightening and anti-loosening effects. 【Features】 ■ A thorough inspection system that meets JIS standards ■ Rigorous quality control and rational product management ■ Dedicated automatic warehouses for molds and products ■ Quick response to sudden orders with "immediate production and shipping" ■ High productivity achieved through the introduction of advanced equipment *For more details, please refer to the catalog or feel free to contact us.

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Nortlock Washer with Railway Vehicle Adoption Examples [NETIS Registered]

Nortlock Washer with Railway Vehicle Adoption Examples [NETIS Registered]

Numerous achievements in all industries! Wedge lock products that physically prevent bolt loosening.

The "Nortlock Washer" employs a "wedge lock mechanism" and is a loosening prevention product that does not rely on friction. It protects bolt connections from loosening even in the most severe vibration environments, ensuring solid safety. It is used in various bolt connections in the railway industry worldwide, including bogies, couplers, brake systems, equipment, track maintenance, and sleepers. Its high quality and safety have been recognized, and it has been registered in the database "NETIS" (New Technology Information Sharing System) operated by the Ministry of Land, Infrastructure, Transport and Tourism. (Registration number: KKK-190002-A) 【Features】 ■ Loosening prevention that does not rely on friction ■ Wedge lock mechanism ■ Many approvals and certifications, primarily in Europe ■ Sizes (Steel): M3 to M130 ■ Sizes (SUS): M3 to 80 *For more details, please refer to the PDF document or feel free to contact us.

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[Nortlock Product Adoption Case] Tokai Railway Company (JR Tokai)

[Nortlock Product Adoption Case] Tokai Railway Company (JR Tokai)

No more lock nuts that have been used hundreds and thousands of times! An example that also contributed to vehicle weight reduction.

We would like to introduce a case study of Tokai Railway Company (JR Tokai), which has adopted Nord-Lock products. The company has relied on skilled workers who meticulously maintain and inspect their systems day and night to ensure safety, which required a tremendous amount of effort and time. To address this, they adopted our "Nord-Lock Washer." This product has a mechanism that prevents loosening and rotation, even in extremely harsh vibration environments, significantly advancing this long-standing challenge. 【Case Overview】 ■ Customer: Tokai Railway Company (JR Tokai) ■ Product: Shinkansen N700 Series Vehicles ■ Adopted Product: Nord-Lock Washer *For more details, please refer to the PDF document or feel free to contact us.

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[Complimentary Guidebook Available] Thorough explanation of various bolt loosening prevention methods!

[Complimentary Guidebook Available] Thorough explanation of various bolt loosening prevention methods!

This booklet explains the causes of bolt loosening and serves as a guide to understanding proper fastening methods.

The publication includes challenges of bolt fastening, factors causing axial force loss, methods to prevent loosening of bolt fastenings, and guidance for selecting loosening prevention methods. It compares and evaluates general methods for preventing loosening of bolt fastenings over the service life of assemblies, allowing you to choose appropriate fastening methods to solve issues related to bolt fastening. 【Contents (excerpt)】 ■ Why do bolts loosen? ■ Challenges of bolt fastening ■ Factors causing axial force loss ■ Guidance for selecting loosening prevention methods ■ Loosening prevention methods for bolts by product ■ Corrosion countermeasures for metals >>>NEWS<<< Nord-Lock Japan will exhibit at the "Plant Maintenance Show" held from July 24 to 26. If you plan to attend or are interested, please stop by our booth (M4-176).

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Rust prevention treatment Shinko high-tension bolt

Rust prevention treatment Shinko high-tension bolt

Rust-resistant treatment Shinko high-tension bolts that show no abnormalities even after 100 hours of salt spray testing.

The "Anti-Corrosion Treatment Shinko High-Tension Bolt" has a surface treatment that excels in corrosion resistance and compatibility with topcoats. Corrosion resistance has been tested in two ways: a salt spray test for 100 hours and a weather resistance test for 1000 hours, with no abnormalities observed. 【Features】 ■ Excellent compatibility with topcoats and corrosion resistance ■ Joint characteristics (slip resistance, stress relaxation, loosening, etc.) are comparable to standard high-strength bolts ■ No contamination from anti-rust oil, and no adhesion of dust or other particles ■ Bolt performance equivalent to standard high-strength bolts ■ The threads of the nuts are over-tapped before anti-corrosion treatment, but the amount does not affect strength *For more details, please download the PDF or contact us.

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Shin-Ko High Tension Bolt

Shin-Ko High Tension Bolt

Special surface treatment that is less affected by temperature changes is applied to the nut!

The "Kobe Steel High Tension Bolt" allows for stable tightening axial force and flawless construction. Since it is manufactured under a consistent quality control system, the quality is uniform. This results in a stable torque coefficient value, allowing for a consistent axial force. Please feel free to contact us if you have any requests. 【Features】 ■ Stable tightening axial force ■ Stability of torque coefficient value ■ Minimal simultaneous rotation of bolts and washers *For more details, please download the PDF or contact us.

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Information magazine about screws [Yamarin Newspaper] Issue 140

Information magazine about screws [Yamarin Newspaper] Issue 140

Introducing items such as "14.9 hex socket bolts" and "custom specification machined parts"!

This document is issue 140 of the information magazine "Yamarin Newspaper," published by Yamazaki Co., Ltd., which specializes in the sale of screws and general machine tools, the production of special screws, the sale of transmission components, and machining. It features the strength category 14.9 "hexagon socket bolts," which are suitable for those considering lightweight and compact devices, as well as "custom-made processed parts" and "screw trivia." Please take a moment to read it. [Contents] ■ 14.9 Hexagon Socket Bolts ■ Custom-Made Processed Parts 11 ■ Custom-Made Processed Parts 12 ■ Screw Trivia ■ Introduction to IT (Part 18) *For more details, please refer to the PDF document or feel free to contact us.

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【PEM】Self-Clinching Stud

【PEM】Self-Clinching Stud

A lineup including the "standard type" and "space-saving thin plate type"!

We would like to introduce our "Self-Clinching Studs." Compared to standard clinching studs, we offer a rich lineup including the "Space-Saving Edge Type," which can be installed 25-50% closer to the edge of the plate, and the "High-Strength Type," which can be used as an alternative to welding studs. Please feel free to contact us when you need assistance. 【Partial Lineup】 ■ Standard Type "FH, FHS, FHA" ■ For Stainless Steel Plate Insertion "FH4, FHP" ■ Space-Saving Edge Type "FHL, FHLS" ■ Space-Saving Thin Plate Type "TFH, TFHS" ■ High-Strength Type "HFH, HFHS, HFHB" *For more details, please refer to the PDF document or feel free to contact us.

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Hex Socket Bolt "Ultra Low Head CAP"

Hex Socket Bolt "Ultra Low Head CAP"

No need for counterbore processing! Ideal for areas where you want to minimize the protrusion of the screw head or reduce weight.

The "Ultra Low Head CAP" is a hex socket bolt with an even lower head than a low head bolt. It is suitable for areas where you want to minimize the protrusion of the screw head or reduce weight. Since countersinking is not required, it allows for a reduction in work processes and time. We can also accommodate various additional processing requests. 【Features】 ■ The head height is even lower compared to the low head CAP. ■ No countersinking required, minimizing head protrusion. ■ Additional processing such as various surface treatments and anti-loosening treatments is also available. *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Cost Reduction through Changes in Manufacturing Method of Mass-Produced Screws

[Case Study] Cost Reduction through Changes in Manufacturing Method of Mass-Produced Screws

A case where the manufacturing method was changed from cutting processing to forging processing, resulting in a 70% cost reduction in the customer's purchase unit price.

We would like to introduce a case where we proposed "reducing the manufacturing process and increasing production lots" to an industrial machinery manufacturer. The customer was purchasing low-head type special-shaped hexagon socket bolts M2 from an e-commerce site, but they had a request to reduce costs due to the high unit price and increasing usage. We proposed a change in the manufacturing method, which was adopted without any issues and met or exceeded the performance of the conventional products, resulting in significant cost reduction. [Case Overview] ■ Issues - Costs had become too high - The shape was not particularly difficult to manufacture, despite being outside JIS standards ■ Requirements for Solving the Issues - Reduction of costly machining processes - Establishing production lots that ensure stable lead times *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Coating the Head of a Left-Hand Thread Hex Socket Bolt

[Case Study] Coating the Head of a Left-Hand Thread Hex Socket Bolt

Production completed in time for the desired delivery date! A case of proposing alternatives for discontinued products from the manufacturer.

We would like to introduce a case where we proposed an alternative for hexagon socket bolts with left-hand threads that have disappeared from the market due to the manufacturer's discontinuation to a textile machinery manufacturer. The M3×7 hexagon socket bolt (left-hand thread) used in textile machinery was discontinued, and without finding an alternative product, the production line would come to a halt, affecting sales. We proposed custom machining of the left-hand thread hexagon socket bolts and painting of the heads, allowing for the selection of right-hand and left-hand threads without changing the screw size, and we were able to deliver the product by the desired deadline. [Overview of the Issue] - The M3×7 hexagon socket bolt (left-hand thread) was used in textile machinery, but production by the manufacturer has ended and it has been discontinued. - If no alternative product is found, the production line will stop, impacting sales. *For more details, please refer to the related links or feel free to contact us.

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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%.

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Low Head Hex Socket Bolt "NS-LOW HEAD Power8"

Low Head Hex Socket Bolt "NS-LOW HEAD Power8"

It is also suitable for areas without clearance or where you do not want to use cross holes for design reasons.

The "NS-LOW HEAD Power8" is a high-strength hexagon socket bolt with an extremely low head shape that significantly exceeds the conventional strength grades of 4.8/5.8, achieving a strength grade equivalent to 8.8. It offers substantial weight reduction compared to JIS standard products. It is also suitable for areas where there is no clearance or where a cross hole is not desired for design reasons. 【Features】 ■ Achieves a strength grade equivalent to 8.8 with an extremely low head shape ■ Substantial weight reduction compared to JIS standard products ■ Ideal for areas without clearance or where a cross hole is not desired for design reasons *For more details, please refer to the PDF document or feel free to contact us.

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Miki Manufacturing Co., Ltd. "Hexagonal Hole Processing"

Miki Manufacturing Co., Ltd. "Hexagonal Hole Processing"

From a hexagonal hole with a side of 0.7mm, both metric and inch sizes are possible! Please feel free to consult us about special size shapes.

Our company performs "hexagonal hole processing" using lathes and presses. Hexagon socket screws with deep pilot holes and low head hexagon socket bolts can be processed in a shorter lead time than electrical discharge machining. Please consult us about special sizes such as long hexagon socket bolts and hollow sets. We also accommodate hexagonal and square hole processing for materials such as resin, magnesium, Hastelloy, and titanium. 【Features】 ■ Processed using lathes and presses ■ Available in metric and inch sizes ■ Shorter lead time than electrical discharge machining ■ Accommodates special size shapes ■ Hexagonal and square hole processing available for materials like resin and titanium *For more details, please refer to the PDF document or feel free to contact us.

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Bowing down / Deep bowing

Bowing down / Deep bowing

This is a compact and lightweight original product from Bosard.

The ultra-low head hex socket bolt (cap) has a head height of only 1.6 mm at most, which minimizes protrusion and eliminates the need for counterboring, making it suitable for thin materials. Additionally, it is adopted as a "user-friendly" barrier-free part in welfare equipment and large playground equipment. 【Features】 ■ Compact ■ Lightweight ■ Safe ■ Improved construction efficiency ■ High design quality ■ High versatility 【Product Lineup】 ■ Ultra-low head hex socket bolt ■ Low head hex socket bolt ■ 6-lobe ultra-low head cap ■ 6-lobe low head cap ■ Type A tapping ■ Lamix / Lamimate ■ Resin hex socket products

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