Bolts and nuts Product List and Ranking from 18 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Bolts and nuts Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. 帝国製鋲 Osaka//Building materials, supplies and fixtures manufacturers
  2. 三喜工業 本社 Chiba//Other construction industries
  3. 鹿児島金属 Osaka//others
  4. 4 第一工業 鋲螺事業部(ネジ・ボルト・ナット等締結部品　製造販売.　静岡県浜松市) Shizuoka//others
  5. 4 三和鉄工 Tokyo//Building materials, supplies and fixtures manufacturers
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Bolts and nuts Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. Duct auxiliary materials - bolts/nuts 三喜工業 本社
  2. Bag nut JIS Type 3 "Cap nut" 第一工業 鋲螺事業部(ネジ・ボルト・ナット等締結部品　製造販売.　静岡県浜松市)
  3. Railway-related joint plate bolts and nuts 帝国製鋲
  4. P.C. Tie Rod Trapezoidal Screw Bolt / Joint Plate Bolt and Nut 【*Prototype OK】 帝国製鋲
  5. 4 Product Catalog: Joint Plate Bolts and Nuts 帝国製鋲

Bolts and nuts Product List

16～30 item / All 34 items

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Product Catalog: Joint Plate Bolts and Nuts

Product Catalog: Joint Plate Bolts and Nuts

Bolts and nuts for rail joint plates used in railways.

"Joint plate bolts and nuts" refer to ordinary steel joint plate bolts and heat-treated joint plate bolts. Our company manufactures them based on JIS E1107 for Whit threads in joint plate bolts and nuts. JIS E1107, E1113, and E1114 have been integrated and announced as the new JIS E1107. 【Features】 ○ Heat-treated joint plate bolts are produced in three types: 5.6, 8.8, and 10.9 ○ Obtained JIS display permission (certification) *For urgent or emergency inquiries, please contact us through our website for technical questions.

  • Joints between components
  • Work tools
  • Road construction

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Hastelloy/Inconel equivalent materials for sale.

Hastelloy/Inconel equivalent materials for sale.

High heat resistance! High corrosion resistance! Alloy screw products!

■◇Enhanced Rare Metal Products◇■ Stock Materials - ALLOY600/601/625 (Equivalent to Inconel) - ALLOY22/276/X-750 (Equivalent to Hastelloy) Stock Products - Hex socket bolts - Hex bolts - Hex nuts - Flat washers - Spring washers *Inconel is a registered trademark of Special Metal Corporation. *Hastelloy is a registered trademark of Haynes International, Inc.

  • Drainage and ventilation equipment

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Hard rock nut / Hard rock bearing nut

Hard rock nut / Hard rock bearing nut

HLN (Hard Lock Nut) / HLB (Hard Lock Bearing Nut)

The Hard Lock® nut, born in Japan and growing worldwide, possesses a strong anti-loosening effect, excellent workability, and ease of attachment and detachment that other lock nuts do not have. Could the principle of a wedge be applied to anti-loosening? This theme was tackled, and after repeated trial and error, the Hard Lock nut was completed.

  • Interior and exterior construction accessories

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Fastening parts: bolts and nuts

Fastening parts: bolts and nuts

The products created by KAGOSHIMA KINZOKU continue to evolve constantly.

This is a notice from Kagoshima Metal Co., Ltd. regarding "fastening parts such as bolts and nuts."

  • Fastening hardware
  • Interior and exterior construction accessories

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Foot Bolt Nut 'S-NM/NA/NB/NC'

Foot Bolt Nut 'S-NM/NA/NB/NC'

You can use commercially available bolts and incorporate them as foot bolts!

Introducing the Foot Bolt Nut 'S-NM/NA/NB/NC'. This product can be used as a foot bolt by incorporating commercially available bolts. It can be used in machines and other applications. 【Features】 ■ Material - S-NM-RW, NA-RW, NB-RW, NC-RW: Steel (SPCC) - S-NA-S, NB-S, NC-S: Stainless Steel (SUS304) ■ Finish - S-NM-RW, NA-RW, NB-RW, NC-RW: Glossy Chromate - S-NA-S, NB-S, NC-S: Glossy Barrel Polished *For more details, please refer to the PDF document or feel free to contact us.

  • others

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Bag Nut "SS-UFO Cap Nut"

Bag Nut "SS-UFO Cap Nut"

It is a bag nut that can be tightened with just one driver, even in narrow spaces!

The founder of Daiichi Kogyo Co., Ltd., Akira Suzuki, was the first in Japan to manufacture and sell a bag nut (JIS Type 3 cap nut) with a cap formed by pressing onto a nut. Since its launch, it has received positive feedback for being lighter and more affordable compared to traditional cutting types, and it has evolved into a wide variety of forms to suit various applications. From this bag nut series, we offer the "SS-UFO Cap Nut," which can be tightened with a screwdriver. The "SS-UFO Cap Nut" is a special bag nut with recesses (such as a cross hole) in the cap part. Even in tight spaces where a wrench cannot be used, this "SS-UFO Cap Nut" can be tightened with just one screwdriver. Please consider it in cases where hex nuts are difficult to tighten due to design constraints, or when you want to improve workability in small and narrow spaces. There are two head shapes available: pan (cross hole) and truss (cross hole). For more details, please contact us or download the catalog.

  • Joints between components

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Safety Bolt and Nut "W-V-LOCK Yurumanzo"

Safety Bolt and Nut "W-V-LOCK Yurumanzo"

Successfully eliminated loosening permanently with safety bolts and nuts! Cleared JQA high-speed vibration loosening test!

The "Yurumanzo (W-V-LOCK)" is a safety bolt and nut that successfully eliminates loosening permanently by adopting a ratchet mechanism between the bolt, nut, and washer, and by incorporating protrusions on the bottom surface of the washer that bite into the workpiece. All five units tested in the vibration loosening comparison test conducted by the Japan Quality Assurance Organization passed without any loosening for over 17 minutes. 【Features】 ■ The bolt and washer are connected using a ratchet mechanism, with several protrusions on one side of the seating surface. ■ The protrusions bite into the clamped object in a wedge shape, preventing the washer from rotating and providing a loosening prevention effect for the entire screw. ■ No loosening occurs even under strong vibrations or long-term use. ■ A high safety and durability loosening prevention mechanism for screws. ■ Patent obtained. *For more details, please request materials or view the PDF data from the download section.

  • others

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Industrial non-loosening screws and nuts, sample support available!

Industrial non-loosening screws and nuts, sample support available!

Successfully eliminated loosening permanently with safety bolts and nuts! Passed JQA high-speed vibration loosening test! Released case photos used in industrial applications!

The "Yurumanzo (W-V-LOCK)" is a safety bolt and nut that successfully eliminates loosening permanently by employing a ratchet mechanism between the bolt, nut, and washer, and by incorporating protrusions on the bottom surface of the washer that bite into the workpiece. All five units tested in the vibration loosening comparison test conducted by the Japan Quality Assurance Organization passed without loosening for over 17 minutes. 【Features】 ■ The bolt and washer are connected using a ratchet system, with several protrusions on one side of the seating surface. ■ The protrusions bite into the clamped object in a wedge shape, preventing the washer from rotating, thereby providing a loosening prevention effect for the entire screw. ■ Does not loosen even under strong vibrations or long-term use. ■ A loosening prevention mechanism with high safety and durability. ■ Patent obtained. *For more details, please request materials or view the PDF data from the download. *If you would like a sample, please contact us.

  • others

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Safety Bolt and Nut "W-V-LOCK Yurumanzō New Model"

Safety Bolt and Nut "W-V-LOCK Yurumanzō New Model"

Ratchet mechanism, does not loosen with the biting protrusion. New type of small-diameter cap bolt.

The "W-V-LOCK Yurumanzō New Model" employs a ratchet mechanism between the bolt, nut, and washer, and additionally features protrusions on the bottom surface of the washer that bite into the workpiece, successfully eliminating loosening almost permanently. This product is a new type of "W-V-LOCK Yurumanzō," specifically a hex socket bolt (small diameter cap bolt) type. 【Features】 ■ The bolt and washer are connected using a ratchet system, with several protrusions on one side of the seating surface. ■ The protrusions bite into the fastened object in a wedge shape, preventing the washer from rotating. ■ It does not loosen even under strong vibrations or long-term use. ■ If removal of the screw is necessary, it can be detached by applying a slightly higher loosening torque than the tightening torque. *For more details, please refer to the PDF document or feel free to contact us.

  • others

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[Application Introduction] Bolts and Nuts for Piping and Pressure Vessels

[Application Introduction] Bolts and Nuts for Piping and Pressure Vessels

Proven track record for a wide range of applications! A trusted brand recognized both domestically in Japan and internationally.

Our company handles a variety of products used in diverse fields, including stud bolts, bolts and nuts for piping and pressure vessels. These products are utilized in petrochemical plants, LNG plants, oil refining, nuclear power generation, shipbuilding, water treatment, natural gas, heat exchangers, environmental equipment, thermal power generation, and many other applications, and are recognized as a trusted brand not only in Japan but also overseas. 【Main Applications】 ■ Petrochemical Plants ■ LNG Plants ■ Oil Refining ■ Nuclear Power Generation ■ Shipbuilding ■ Water Treatment ■ Natural Gas ■ Heat Exchangers ■ Environmental Equipment ■ Thermal Power Generation *For more details, please refer to the external link page. Feel free to contact us as well.

  • others

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Causes and Solutions for Threaded Fastening Troubles: Galling (Seizing)

Causes and Solutions for Threaded Fastening Troubles: Galling (Seizing)

We will introduce the phenomenon where bolts and nuts become stuck and cannot be removed.

This article introduces the issues related to screw fastening in heat exchangers and piping, specifically the causes and solutions for "galling (seizing)." There are many factors said to contribute to galling, such as materials that are prone to galling, differences in thermal conductivity, and thermal expansion rates. However, galling occurs when the female and male threads rub against each other while tightening, generating frictional heat that causes the threads to momentarily melt, solidify, and seize. Therefore, the method of tightening that generates this frictional heat can be considered the fundamental cause of galling. As a solution, there is a "tensioning method" that allows for fastening without rotation. This fastening method enables tightening and loosening without rotation, thus preventing galling. [Proposed Products] ■ Super Bolt ■ Boltight *For more details, please refer to the PDF document or feel free to contact us.

  • Heat exchanger

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Bolt and nut

Bolt and nut

Of course, we can also offer suggestions for items like "bolt and nut sets."

At Otsu Iron Works Co., Ltd., we offer a wide range of anchor bolts used in building foundations, as well as bolts and screw products for construction. In addition to standard "bolts and nuts," we can propose items such as the "HUG bolt," developed with repeated use in mind, and the "D-Lock," which has an integrated structure that prevents washers from falling off. 【Product Lineup】 ■ Hex bolts and hex nuts ■ Whit screws ■ Washers (taper washers) ■ Bolt and nut sets *For more details, please feel free to contact us.

  • others

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Screw-related information magazine "Yamarin Newspaper" Issue 164

Screw-related information magazine "Yamarin Newspaper" Issue 164

Introducing six types of custom-made processed parts, such as "banjo bolts" and "brass lock nuts"!

This document is issue 164 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 parts, and machining. We introduce six types of custom-made processed parts, including products with various return-stop processing techniques and features such as "slotted screws" and "knurled needle bolts." We also include "Trivia about Screws" and "A Door to IT," so please take a moment to read it. [Contents] ■ Various Return-Stop Nuts ■ Custom-Made Processed Parts 27 ■ Trivia about Screws ■ A Door to IT (Introductory Edition) No. 39 *For more details, please refer to the PDF document or feel free to contact us.

  • Work tools

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