We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for High Strength Bolts.
ipros is IPROS GMS ・ IPROS One of the largest technical database sites in Japan that collects information on.

High Strength Bolts Product List and Ranking from 7 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

High Strength Bolts Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. 由良産商株式会社　特販部　特販課 Osaka//Machine elements and parts
  2. 共和工業所 営業 Ishikawa//Machine elements and parts
  3. トープラ Kanagawa//Machine elements and parts
  4. 4 ロブテックスファスニングシステム 東京本社 Tokyo//Machine elements and parts
  5. 5 理研電具製造 Tokyo//Electronic Components and Semiconductors
Go to Company Ranking

High Strength Bolts Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. A-286 heat-resistant high-strength bolt 由良産商株式会社　特販部　特販課
  2. High-strength bolts (cold forging, hot forging, thread rolling, heat treatment, surface treatment) 共和工業所 営業
  3. Basic Knowledge of Screws: About Screw Standards 由良産商株式会社　特販部　特販課
  4. 4 Topura Co., Ltd. "Product General Guide" トープラ
  5. 4 Aerospace Fasteners Comprehensive Catalog 由良産商株式会社　特販部　特販課

High Strength Bolts Product List

16～22 item / All 22 items

Displayed results
Product lineup for the transportation equipment sector

Product lineup for the transportation equipment sector

We will respond to all situations.

Our company has focused on the transportation equipment field for two-wheeled and four-wheeled vehicles, utilizing advanced processing technologies that meet high specifications in terms of materials, techniques, and strength, tailored to specific usage locations, environments, and purposes, to provide a wide variety of fastening components. Leveraging our rich experience and achievements cultivated in the transportation equipment sector, we will continue to provide fastening components that can withstand all kinds of harsh conditions.

  • Engine parts
  • Vehicle body parts
  • Fuel system parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High Strength 2-Piece Set Bolt "D-LOCK Strength Classification 6.8"

High Strength 2-Piece Set Bolt "D-LOCK Strength Classification 6.8"

We have prepared a stronger type of D-LOCK, which achieves high workability with a two-piece structure.

As a variation product of the "D-LOCK," we have prepared a product with a strength classification of 6.8, which is higher than the standard strength. Please take advantage of the D-LOCK's benefits while utilizing it for applications that previously could not use D-LOCK due to strength requirements. 【Features】 ■ Excellent workability with a 2-piece structure Unlike the conventional 5-piece (B, N, Wx2, SW), D-Lock adopts a 2-piece structure. ■ Anti-rebound function and high workability D-Lock employs a disc spring as an anti-rebound feature. ■ Bolts and nuts are domestically produced (including in-house production, except for some nuts) ■ Supports traceability through lot management We will provide inspection reports for set products. ■ Utility model (No. 3230995), technical evaluation obtained. ■ Various variation products that meet customer requests. ◎ For more details, please refer to the PDF document or feel free to contact us.

  • bolt

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-strength bolts (cold forging, hot forging, thread rolling, heat treatment, surface treatment)

High-strength bolts (cold forging, hot forging, thread rolling, heat treatment, surface treatment)

No.1 share for construction machinery bolts! Established a consistent production system from materials to heat treatment.

Kyowa Kogyo Co., Ltd. is a specialized manufacturer of high-quality bolts. The raw materials used are sourced from major domestic blast furnace and electric furnace manufacturers, and we establish a close collaboration system by providing feedback on processing information to the steel manufacturers and jointly discussing specifications. In addition to high-quality bolts, we also offer various know-how related to steel processing, including solid and hollow bolts, and special shape processing. 【Business Activities】 ■ Hex bolts ■ JIS B 1176 hex socket bolts ■ Special bolts for construction machinery ■ Internal combustion engine bolts ■ Cold forged parts for automobiles, etc. *For more details, please download the PDF or feel free to contact us.

  • bolt
  • Processing Contract

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Inquiries about inch-sized bolts and nuts are very welcome.

Inquiries about inch-sized bolts and nuts are very welcome.

Inquiries about inch-sized bolts and nuts are very welcome!!

We support a wide range of standards including MIL, AMS, MS, NAS, AN, AS, NASM, and many more!!! Inquiries about 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 lots to long-term and large-scale demands.

  • fastener
  • bolt
  • nut

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Heat-resistant, corrosion-resistant high-strength bolt

Heat-resistant, corrosion-resistant high-strength bolt

We will manufacture engineered fasteners!!!

Yura Sangyo 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 our customers' 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.

  • fastener
  • bolt
  • nut

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
[Latest Version ★ Now Available for Free] Collection of Case Studies for Solving Screw Problems Rev6

[Latest Version ★ Now Available for Free] Collection of Case Studies for Solving Screw Problems Rev6

[Currently Available for Free] Clear Solutions for Troubles and Issues Related to Screws!! We also suggest appropriate products! A must-see for those who are struggling♪

"Do you have any concerns or troubles with screws?" Strength, corrosion resistance, heat resistance, loosening, delivery time... In this document, we have gathered proposals and case studies for solutions based on the voices of our customers' concerns. There are many problems that can be solved with the right product selection. ◆Examples of Concerns◆ - High-strength bolts that are outside standard specifications are difficult to procure. - I want bolts that won't seize without using plating or coating. - It's a corrosive environment, but I can't compromise on strength. - The bolt broke. It cracked. - The screw is seizing up. It's burning. - Even though I tightened it with the correct torque, it still loosened. Please leave it to the experts!

  • bolt
  • nut
  • fastener

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Free Gift ★ Latest Edition ★ Screw Troubleshooting Case Studies - Rev10 -

Free Gift ★ Latest Edition ★ Screw Troubleshooting Case Studies - Rev10 -

If you've ever had trouble with screws, please give this a read! We will solve your problems! 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 a limited distribution by IPROS!

  • bolt

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
COPYRIGHT © 2001-2025 IPROS CORPORATION ALL RIGHTS RESERVED.