由良産商株式会社　特販部　特販課 List of Products and Services

Amazing specifications boasting a maximum tensile strength of 900N/mm²!! The secret to its strength lies in work hardening!! The next-generation high-strength stainless steel fastener "SUS 304 CUN" series has welcomed the addition of cut bolts. (We also offer hex bolts, hex socket bolts, nuts, and washers.) Please consider it for environments such as construction and plants where strength and corrosion resistance are required. For product details, adoption records, and stock range, please download the catalog to view.

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Next-generation stainless steel fastener "SUS304CUN" What is the difference from regular stainless steel? Where can it be used? This is a Q&A collection summarizing various questions and inquiries. ------------------------------------------------------------ Currently offering free materials If you are interested, please click the [Download] button!! ------------------------------------------------------------ ↓ ↓ ↓

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The use of high-strength stainless steel bolts and nuts enables the reduction and lightweighting of fasteners. This contributes to reducing production costs and developing high-value-added products.

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[Resin A] - Injection Method Adhesive Anchor - ☆Sales Points☆ - No mixing required, easy application with strong adhesion! - Compatible with a wide range of base materials such as concrete, blocks, bedrock, and ALC. - Unlike capsule types, it does not require selection of bolt sizes. - No hammer or electric tools needed for bolt insertion. Simply insert it slowly by hand while turning it.

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Our company stocks the locking washers "Nord-Lock" for sale. You can use them as needed, with immediate delivery. We have stock sizes ranging from M3 to M30. The materials available are SC hardened steel (with "chrome-free" surface treatment) and stainless steel.

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• Prime movers, torque converters, hydraulic equipment, generators

★What is a Hyper Load Nut... It fundamentally solves the problem of nut loosening and detachment through the characteristics of a spring integrated with the nut! ★Features of the Hyper Load Nut - Perfectly prevents nut loosening! - Applicable to both new and existing installations! - Can be re-tightened when necessary! - Tightening and removal require no special skills. General tools are sufficient! ★Preventing nut loosening accidents from the root! In the "nut loosening test" conducted with a loosening testing machine compliant with NAS3350 standards, the nut loosening prevention effect is perfect.

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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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Formally, they are called "ISO inch screws" and "Unified screws." Basically, the Unified screw standard is adopted by the three countries: the United States, the United Kingdom, and Canada, and it was standardized for military use. In Japan, the Japanese Industrial Standards (JIS) stipulate that the commonly used screws are of the same standard as "ISO metric screws," while "ISO inch screws" are used in aviation and other cases where it is particularly necessary.

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We provide heat-resistant and corrosion-resistant bolts and nuts, as well as screws made from special materials through forging. As a technical trading company, we will propose solutions to all issues related to fastening, including high strength, heat resistance, corrosion resistance, and loosening.

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It guarantees the best clamping force safely and reliably even under intense vibrations!!!

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It is also referred to as "ISO inch screw." Basically, the unified screw is adopted in three countries: the United States, the United Kingdom, and Canada, and it has been standardized for military use. In Japan, the Japanese Industrial Standards (JIS) stipulate that the screws commonly used are of the same standard as "ISO metric screws," while "ISO inch screws" are used in aviation and other particularly necessary cases.

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As a supplier of industrial fasteners, our company proposes solutions as a technical trading company for various issues related to fastening, including high strength, heat resistance, corrosion resistance, and loosening. We supply suitable products tailored to our customers' needs, from short delivery times and small lots to long-term and large-scale demands.

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We support a wide range of standards including MIL, AMS, MS, NAS, AN, AS, NASM, and many more!!! Inquiries for inch-sized bolts and nuts are very welcome!! As a supplier of industrial fasteners, we 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 our customers' needs, from short delivery times and small quantities to long-term and large-scale demands.

• Safety and consumables

As a supplier of industrial fasteners, our company 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 our customers' needs, from short delivery times and small lots to long-term and large-scale demands.

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UNBRAKO hex socket bolts possess the highest level of strength and fatigue resistance available in commercial products. We have an immediate delivery system in place with our stock. Please feel free to contact us.

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UNBRAKO hex socket bolts possess the highest levels of strength and fatigue resistance available in commercial products. We also have a stock of Unified sizes ready for immediate delivery. Please feel free to contact us.

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

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• Measurement and analysis equipment leasing and rental

● Fixing the counterpart material by easily inserting and removing a steel ball that is press-fitted into the spindle using a special method. ● Completing time-consuming fastening with bolts and nuts in an instant. ● Developed for the purpose of easily securing aircraft hatches and doors. * Currently used in general industrial fields as well. ● Compatible with metric and inch measurements.

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The standards used in aircraft vary by field/characteristic and are used selectively as needed. This catalog introduces MS, NAS, and AN. ○MS (Military Standard) ○NAS (National Aerospace Standard) ○AN (Air Force-Navy Aeronautical)

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■Bolt DWG No.■ N733, N733A, N733B, N733C, N733D ■Nut DWG No.■ N271, N271A, N271B, N271C, N271R, N272, N272A, N272B, N272C, N272Q, N272S, N272T

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■DWG No.■ M14、M14D、M18B、N22、N22B、N22D、N22H、N24、N24B、N30、N30A、N37、N44、N46、N50、N51、N55、N57、N58、N60、N60C、N60F、N60H、N63、N68、N70、N94、N97、N145、N170、N173A、N201、N203、N204、N210、N213、N214、N214A、N214D、N214F、N234B、N238、N245、N258、N264、N264A、N265、N266、N274、N278、N319、N400、N400A、N402、N402A、N403、N404、N405、N406、N408、N415、N507、N509、N530、N608A、N637、N646、N654、N672、N690、N727 and more...

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• Prime movers, torque converters, hydraulic equipment, generators

"BUMAX" is a high-strength bolt that uses modified Swedish steel SUS316L, designed for improvements (downsizing, weight reduction) without heat treatment, ensuring high strength of 8.8 and 10.9 through work hardening. The "BUMAX cut bolts" can be cut to any desired length and easily fastened with nuts. They are ideal for specialized equipment and construction. For more details, please contact us or refer to the catalog.

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

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.

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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.

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A-286 is austenitic precipitation-hardening steel widely used as a high-strength and heat-resistant steel, particularly aimed at high-quality products for aircraft. Examples of applications include various parts for aircraft engines and industrial turbines (blades, shafts, afterburners, swirlers, and especially heat-resistant fasteners). 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.

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Naimonic 80A is a precipitation-hardened Ni-Cr alloy that exhibits excellent corrosion and oxidation resistance as well as creep rupture strength at temperatures up to 815°C. Examples of applications include exhaust valves for land and marine internal combustion engines and gas turbine components (blades, rings, discs), among others. Yura Sansho Co., Ltd., a supplier of industrial fasteners, proposes 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 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.

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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.

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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.

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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.

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Hastelloy B is an alloy developed for resistance to hydrochloric acid, capable of withstanding hydrochloric acid at all concentrations and throughout the entire temperature range up to its boiling point. It is also suitable as a corrosion-resistant material for sulfuric acid, phosphoric acid, hydrofluoric acid, and acetic acid. However, the presence of oxidative factors such as iron ions and copper ions can accelerate corrosion. Examples of applications include towers, tanks, and heat exchangers in the petrochemical industry (such as PVC, polyethylene, polystyrene, benzene, etc.), as well as sulfuric acid production equipment. 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.

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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.

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If you provide us with the GE part number, we will be happy to assist you!!! (Example: N733P00000) Studs, bolts, nuts, pins, washers, and other special fasteners. 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 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.

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MIL, AMS, MS, NAS, AN, AS, NASM and many other standards supported!!! Yura Sangyo 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 delivery times and small lots to long-term and large-scale demands. For more details, please contact us or refer to our catalog.

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Supports various standards including MIL, AMS, MS, NAS, AN, AS, NASM, and many more!!! 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 provide optimal products tailored to customer needs, from short delivery times and small lots to long-term and large-scale demands. For more details, please contact us or refer to our catalog.

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The next-generation stainless steel "SUS 304CUN," developed by Daido Steel, adheres to the chemical composition of JIS B 1054 A2 (304 series) while enabling cold forging. This material has been adjusted in composition to improve aspects related to increased strength. By adding CU (copper) and N (nitrogen), we have achieved an increase in strength while ensuring non-magnetic properties! *For more details, please contact us or download the PDF.

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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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□■ Features ■□ - High tightening force with small screws - Does not loosen due to high tightening force - Enables compact design

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□■Long Screws (Cut Thread) Bolts Stock Range■□ 【Material】Iron (Raw, Chromate, Unichrome) S45C, Stainless Steel, Brass, Polycarbonate, Titanium, Lenny, etc... 【Size】M3 to M48 *Varies by material. 【Length】Up to 2,000mm *Varies by material. *Please feel free to inquire about other dimensions as well.

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Screws come in a wide variety of shapes, materials, and surface treatments depending on their intended purpose, and it is no exaggeration to say that the correct selection and proper usage can maximize the inherent strength of the screw. Leave the diverse range of issues to "Screw Concierge!" 【Contents】 ■ Three Common Troubles 1. Bolts have broken or cracked 2. Screws are seizing or welding 3. They loosen even though tightened with the correct torque ■ We will propose screws that suit your customer environment! ------------------------------------------------------------ 　　　　Currently offering free know-how materials If you are interested, please click the [Download] button!! ------------------------------------------------------------ 　　　↓　　↓　　↓

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★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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