We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Bolts and nuts.
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Bolts and nuts Product List and Ranking from 42 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. 由良産商株式会社　特販部　特販課 Osaka//Machine elements and parts
  2. 帝国製鋲 Osaka//Ferrous/Non-ferrous metals
  3. ネツレン　高周波熱錬株式会社 Tokyo//Machine elements and parts
  4. 4 イシトク Tokyo//Machine elements and parts
  5. 5 三和鉄工 Tokyo//Machine elements and parts
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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. U.S. military standard bolts and nuts 由良産商株式会社　特販部　特販課
  2. Additional acquisition of JIS certification for PC steel bars! *Also available in deformed type. 三和鉄工
  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 Water supply and gas fitting parts "Insulation Bolt Type TS" 巴製作所 本社・尼崎工場

Bolts and nuts Product List

46～60 item / All 68 items

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Nobbolt Nut "Antibacterial KGB/KGN"

Nobbolt Nut "Antibacterial KGB/KGN"

Using ion-pure inorganic antibacterial and mold-resistant materials! It is attracting attention in a wide range of fields, including medical and nursing care settings.

The "Antibacterial KGB/KGN" is a knob bolt and nut made using the inorganic antibacterial and antifungal material Ion Pure. It is gaining attention in a wide range of fields, including medical, food machinery, and nursing care. Additionally, we offer "Glow-in-the-Dark KNOB" and "Antibacterial FIT KNOB," which release stored light energy and glow in the dark. 【Features】 ■ Uses inorganic antibacterial and antifungal material Ion Pure ■ Gaining attention in a wide range of fields ■ Resin part: ABS ■ Screw part: Trivalent chromate (SUS) ■ Nut part: Brass (can be made to low cadmium brass specifications) *For more details, please refer to the PDF document or feel free to contact us.

  • nut
  • others
  • bolt

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Welding-Free Construction Method! Hack Bolt Application Case Studies

Welding-Free Construction Method! Hack Bolt Application Case Studies

A collection of case studies on hack fasteners that anyone can easily use to achieve welding-equivalent or higher quality.

There are various joining methods such as welding, brazing, bolt and nut, adhesive bonding, FSW, self-piercing, etc., but "Hack Bolt" meets the requirements of not needing the skill of the operator, not requiring large-scale equipment, achieving quality and strength equal to or greater than welding and current joining methods, and not requiring secondary management (such as non-destructive testing or torque management). The case studies are just one example among many applications.

  • bolt
  • fastener
  • nut

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

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

Successfully eliminated loosening permanently with safety bolts and nuts! Passed 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 further 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 fastened object in a wedge shape, preventing the washer from rotating and 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 available for download.

  • bolt
  • nut

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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, won't loosen due to 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 the new model of "W-V-LOCK Yurumanzō," in the 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 tightened 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 removed 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.

  • bolt
  • nut

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"Cold forging" responds to the diversifying customer needs such as quality, cost, and delivery time.

"Cold forging" responds to the diversifying customer needs such as quality, cost, and delivery time.

We will always do our best to remain a professional group that never says "No" to any challenge!

Our company has established a stable quality control system and delivery management system based on the experience gained from manufacturing bolts and nuts for automobiles. In recent years, the number of customers from industries other than the automotive sector has been steadily increasing, and we have gained recognition by making proposals that take into account the characteristics of each industry. As a reliable and responsive supplier, we will continue to meet the diverse needs of our customers. *For more details, please refer to the external link page or feel free to contact us.

  • Other processing machines
  • others

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Hyper Road Spring

Hyper Road Spring

Reduction of maintenance costs! Preventing nut loosening accidents from the root.

The "Hyper Road Spring" is installed on the excess length of the bolt threads after the nut has been tightened. At this time, the front part of the spring bites into the threaded part of the nut, blocking the passage of the nut and perfectly preventing loosening or falling off. It can be applied to both new and existing installations. 【Features】 ■ Prevents nut loosening ■ Applicable to both new and existing installations ■ Allows for re-tightening of the nut ■ Installation can be done with hand setting that does not require expertise ■ Can be installed quickly and easily using dedicated electric tools (Compatible with normal hooks and horizontal hooks) * For more details, please refer to the PDF document or feel free to contact us.

  • nut

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SK Safety Bolt - Safety Anchor

SK Safety Bolt - Safety Anchor

The construction is the same as conventional bolts and anchors, and it is a double fall prevention safety product that does not require special work.

The "SK Safety Bolt and Safety Anchor" is a double-fall prevention safety measure product developed with consideration for road safety and the simplification of construction sites. At the step of the bolt body, a locking K-nut spins freely to prevent detachment. Additionally, we offer "Cap K-nuts (stainless steel)" that are suitable for improving aesthetics, preventing human contact accidents, and protecting bolts. 【Features】 ■ Developed with consideration for road safety and the simplification of construction sites ■ Effectiveness proven through vibration tests in various cases ■ The locking K-nut spins freely at the step of the bolt body to prevent detachment ■ Installation is the same as conventional bolts and anchors ■ No special work is required *For more details, please refer to the PDF materials or feel free to contact us.

  • nut

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Metal expansion anchor system ANZEX

Metal expansion anchor system ANZEX

A highly reliable anchor that can be easily and securely installed using a uniquely developed metal expansion anchor system.

The "Metal Expansion Anchor System ANZEX" is a total post-installed anchor system designed to ensure reliable anchor installation, in conjunction with installation tools. In the unlikely event that cracks occur in the concrete around the anchor installation area, the anchor's displacement can be kept as small as that of a pre-installed anchor. 【Features】 ■ High reliability and stable workability achieved through mechanical interlock ■ The expansion can be completed easily and reliably using dedicated tools ■ Mechanically fixed at the expansion part, preventing pull-out and slippage ■ The embedding depth is designed so that the concrete cone failure load exceeds the minimum tensile load of the bolt material ■ Bolt fracture design is possible *For more details, please refer to the PDF document or feel free to contact us.

  • nut

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Smart Hyper Load Nut

Smart Hyper Load Nut

Adopted in various major facilities! It demonstrates performance in three aspects: performance, construction, and cost.

The "Smart Hyper Road Nut" is a product that reliably prevents loosening and detachment with overwhelming performance. It has been proven through rigorous vibration tests to be more than three times stronger against vibrations than other nuts. Additionally, it is compatible with all common tools, allowing for speedy and secure installation. 【Features】 ■ Anti-loosening performance ■ Easy installation ■ Cost reduction ■ Compatible with all common tools ■ Strong against vibrations *For more details, please refer to the PDF document or feel free to contact us.

  • nut

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Bolt and nut

Bolt and nut

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

At Otsu Ironworks 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 general bolts and nuts, we can propose sets, "HUG bolts" developed with repeated use in mind, and "D-Lock" which has a one-piece structure that prevents washers from falling off. 【Product Lineup】 ■ Hex bolts and hex nuts ■ Whitworth screws ■ Washers (taper washers) ■ Bolt and nut sets *For more details, please feel free to contact us.

  • others

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Disconnecting bolt and nut

Disconnecting bolt and nut

Improve engine performance and suspension performance with electrostatic discharge bolts and nuts!

Our company offers discharge bolts and nuts that restore original performance by discharging and eliminating static electricity. You can easily experience the effects by simply replacing the vehicle's bolts or adding nuts to the protruding parts of the bolts. 【Features】 ■ Removal of static electricity ■ Optimization of damper oil viscosity by installation in the suspension system ■ Improvement of fuel efficiency by installation in the intake and fuel systems *For more details, please download the PDF or feel free to contact us.

  • Other Auto Parts
  • Interior parts

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Bolt and nut

Bolt and nut

We provide safe and reliable screws with over 110 years of experience!

Our company is engaged in the wholesale business of bolts, nuts, and related products. We also receive numerous orders for various processed products, including additional processing of ready-made products, custom products based on provided drawings, and special orders with supplied materials, delivering suitable products to our customers. Additionally, we accept inquiries regarding lot production. 【Product Line】 ■ Ready-made and custom products such as bolts, nuts, washers, small screws, assembled screws, rivets, pins, keys, anchors, construction screws, hanging hardware, and wires. *For more details, please download the PDF or feel free to contact us.

  • bolt
  • nut

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Pre-grouted PC steel bar

Pre-grouted PC steel bar

It is a high corrosion-resistant PC steel bar filled with delayed curing resin inside the sheath, eliminating the need for grouting work at the construction site.

The "Pre-Grout PC Steel Bar," developed to prevent insufficient grout filling at construction sites, is shipped from our controlled factory with the PC steel bar coated in grout and a sheath. This eliminates the need for sheath placement and grout work at the construction site, contributing to improved work efficiency, shortened construction periods, and enhanced reliability of structures. We also provide coupler sheaths treated for rust prevention for use at the connection points. 【Features】 - The surface of the PC steel bar is coated with pre-grout resin and high-density polyethylene sheath, providing excellent corrosion resistance (tested for salt spray and alkali resistance). - The elimination of sheath placement and grout work at the site contributes to labor reduction. - The use of PC steel bars as tensioning materials offers excellent self-support and connectivity, improving work efficiency. - It is possible to select pre-grout resins suitable for various environments (moisture-curing type, heat-curing type).

  • Steel

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