Locking Nut Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated：Jan 21, 2026 Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Locking Nut Manufacturer, Suppliers and Company Rankings

Last Updated：Jan 21, 2026 Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

株式会社冨士精密 Osaka//Machine elements and parts
ハードロック工業 Osaka//Manufacturing and processing contract
大阪フォーミング Osaka//Machine elements and parts
4 東京衡機エンジニアリング Tokyo//Building materials, supplies and fixtures
5 中島工機 Tokyo//Service Industry

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Locking Nut Product ranking

Last Updated：Jan 21, 2026 Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Locking nut "GU-NUT" compliant with JIS standards. 株式会社冨士精密
Locking nut "FINE U-NUT" 株式会社冨士精密
『U-NUT』『FINE U-NUT』『TWIN FU-NUT』株式会社冨士精密
4 Locking nut "Cap type U-NUT" 株式会社冨士精密
5 [Technical Information] Troubles Caused by Loosening: What is Bolt Failure? ハードロック工業

Locking Nut Product List

61～71 item / All 71 items

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Fine U-Nut Delivery Case: Processing Machine

Keyway machining for shafts, washers, and no need for installation technology! Examples of delivered locking nuts!

The "Fine U-Nut" allows for arbitrary and precise positioning, making torque management easy. Furthermore, it is a revolutionary locking nut for bearings that eliminates the need for keyway machining on shafts, washers, and installation techniques. It improves the rotational balance of bearings that generate power in various machinery industries. This product is also used in processing machines, with examples of it being supplied as parts for cold press machines, food machinery, food processing machines, and presses. 【Features】 ■ Arbitrary and precise positioning is possible ■ Easy torque management ■ Improves the rotational balance of bearings * For more details, please refer to the PDF materials or feel free to contact us. * CAD data is also available for download.

Company：株式会社冨士精密
Price：Other

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Fine U-Nut Delivery Case: Machinery and Equipment

Keyway machining for shafts, washers, and no installation technology required! Case study of lock nuts delivery!

The "Fine U-Nut" allows for arbitrary and precise positioning, making torque management easy. Furthermore, it is a revolutionary locking nut for bearings that eliminates the need for keyway machining on shafts, washers, and installation techniques. It improves the rotational balance of bearings that generate power in various machinery industries. This product is also used in machinery and equipment, with examples of being supplied as parts for pumps, digital panoramic X-ray imaging devices, and spindles. 【Features】 ■ Arbitrary and precise positioning is possible ■ Easy torque management ■ Improves the rotational balance of bearings * For more details, please refer to the PDF materials or feel free to contact us. * CAD data is also available for download.

Company：株式会社冨士精密
Price：Other

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Adoption of 'HEX U-Nut' for handrails inside the tunnel.

U-NUT (stainless steel, hot-dip galvanized) is used for mounting brackets for cable racks and lighting in tunnels.

The U-NUT, synonymous with locking nuts, is the definitive locking nut that continues to evolve not only in terms of its locking performance but also in durability and vibration resistance. Here are some examples of where the locking nut U-NUT has been implemented. Adoption Location: Handrails inside tunnels (mounting hardware for handrails, cable racks, lighting, etc.) Adopted Product: HEX U-Nut (stainless steel, hot-dip galvanized) Reason for Adoption: Locking function and proven track record On-site construction, safety management, and fall prevention measures Other Features: Performance results of the locking function can be verified in accordance with NEXCO construction management guidelines.

Company：株式会社冨士精密
Price：Other

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Adoption of 'HEX U-Nut' for high-rise building exterior panels.

U-NUT (stainless steel) is used as a mounting fixture for exterior panels of high-rise buildings.

The U-NUT, synonymous with locking nuts, continues to evolve not only in terms of its locking performance but also in durability and vibration resistance. Here are some examples of where the locking nut U-NUT has been implemented. 【Case Overview】 ■ Adoption Location - Exterior panels of high-rise buildings (panel mounting hardware) ■ Adopted Product - HEX U-Nut (stainless steel) ■ Reasons for Adoption - Locking effect, fall prevention measures, and more ■ Other Features - Special construction method to accommodate panel expansion and contraction *For more details, please refer to the PDF document or feel free to contact us.

Company：株式会社冨士精密
Price：Other

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Adopted for bridge collapse prevention device: "HEX U-Nut"

The U-NUT coated with molten zinc is used for the anchor bolts of the bridge anti-fall prevention device.

The U-NUT, synonymous with locking nuts, continues to evolve not only in terms of its locking performance but also in durability and vibration resistance. Here are some examples of the U-NUT locking nut being implemented. 【Case Overview】 ■ Adoption Location - Bridge anti-collapse device (anchor bolts) ■ Adopted Product - HEX U-Nut (hot-dip galvanized) ■ Reason for Adoption - Locking function and measures to prevent detachment ■ Other Features - Reduction of component count and simplification of construction were required for post-installation. *For more details, please refer to the PDF document or feel free to contact us.

Company：株式会社冨士精密
Price：Other

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Cap-equipped U-NUT adopted for playground slide

The U-NUT with a cap is used for the installation of handrails and stairs on playground slides.

The U-NUT, synonymous with locking nuts, continues to evolve not only in terms of its locking performance but also in durability and vibration resistance. Here are some examples of the U-NUT locking nut being implemented. 【Case Overview】 ■ Adoption Location - Playground slide (handrail and staircase attachment points) ■ Adopted Product - Cap-equipped U-NUT (stainless steel) ■ Reason for Adoption - Locking function, fall prevention effect, and improved safety during contact ■ Other Features - Enhanced aesthetics with cap-equipped U-NUT *For more details, please refer to the PDF document or feel free to contact us.

Company：株式会社冨士精密
Price：Other

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HEX U-Nut adopted for the Naruto Bridge

U-NUT (stainless steel, hot-dip galvanized) is used in the cable rack of the Naruto Bridge.

The U-NUT, synonymous with locking nuts, continues to evolve not only in its locking performance but also in terms of durability and vibration resistance. Here are some examples of where the locking nut U-NUT has been implemented. 【Case Overview】 ■ Adoption Location - Naruto Bridge (cable rack) ■ Adopted Product - HEX U-Nut (stainless steel, hot-dip galvanized) ■ Reasons for Adoption - Locking function, drop prevention effect, simplification of on-site work ■ Other Features - Material with high corrosion resistance and required surface treatment *For more details, please refer to the PDF document or feel free to contact us.

Company：株式会社冨士精密
Price：Other

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Locking nut "U-NUT"

Since its birth over 60 years ago, the U-NUT, known for its reliability and track record, continues to evolve in terms of anti-loosening performance, durability, and vibration resistance.

"U-NUT" is a locking nut that excels in various industries, from railway and bridge steel structures to cars, motorcycles, and industrial machinery. No matter how harsh the usage environment, this product demands safety and reliability, continuously evolving not only in its locking performance but also in durability and vibration resistance. 【Features】 ■ Fastening Function: Provides stable locking performance ■ Drop Prevention: Prevents early drop even when axial force decreases ■ Reusability: Can be reused ■ Easy Fastening: No need for skilled techniques or special tools ■ Standalone Component: Facilitates parts management and prevents installation errors ■ Heat and Cold Resistance: Fully metallic product with excellent heat and cold resistance * NETIS Registration No. KT-130064-VE (Old Registration) New Technology Name: U-Nut * For more details, please refer to the PDF document or feel free to contact us.

Company：株式会社冨士精密
Price：Other

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Data Hardness Conversion Table Database

This is a hardness conversion table for Vickers hardness, Brinell hardness, Rockwell hardness, and others.

The hardness conversion table database introduces hardness tables such as Vickers hardness, Brinell hardness, Rockwell hardness, Rockwell superficial hardness, Shore hardness, and tensile strength. Osaka Forming Co., Ltd. is a manufacturer that utilizes 40 years of experience and advanced production technology, specializing in processing difficult materials such as stainless steel, as well as iron and aluminum, and excelling in the processing of titanium and other materials. To ensure we can respond to customer orders with meticulous attention, we maintain a rich inventory of our products in various sizes and can accommodate orders from small lots to large lots. As a united team, we strive to meet our customers' expectations and will continue to provide high-quality products.

Company：大阪フォーミング
Price：Other

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[NETIS Registration] New mechanism's locking nut "NEW Lock Nut"

Exhibits anti-loosening and anti-falling effects in vibrating environments! Can be temporarily tightened by hand for ease of use on-site! This is a single-type anti-loosening nut registered with NETIS.

The NEW lock nut is a high-performance nut that combines four effects: "bite," "wedge," "anti-loosening," and "amplification," along with the excellent workability of a single nut type. Its powerful anti-loosening effect and high work efficiency have been proven in environments requiring high safety, such as highway bridges and tunnels. 【Examples of Achievements】 - Noise barrier installation work - Tunnel lighting equipment installation work - Backside sound-absorbing panel installation work - Tunnel interior panel work - Sign installation work - Mechanical parking lot equipment - Mega solar facility construction - Inspection paths for bridge inspections *For details, please download the catalog and contact us.

Company：西日本高速道路エンジニアリング関西
Price：Less than 10,000 yen

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Isn't that sign wobbling? Loose prevention nut 'U-NUT'

Contributing to fall prevention and safety measures! We provide safety and peace of mind, no matter how harsh the usage environment is.

"Is that sign or billboard wobbling?" The 'U-NUT' is a locking nut designed to prevent loosening, particularly in high places where advertising signs, markers, hanging banners, bird deterrents, safety measures for windows and balcony railings, carports, grates, and other facilities are installed, making it useful for various applications in commercial facilities and buildings. No matter how harsh the usage environment, this product demands safety and reliability, continuously evolving not only in its loosening prevention performance but also in durability and vibration resistance. **Features** - **Fastening Function:** Provides stable loosening prevention. - **Drop Prevention:** Prevents early detachment even if axial force decreases. - **Reusability:** Can be reused. - **Easy Fastening:** No skilled techniques or special tools required. - **Individual Components:** Simplifies parts management and prevents installation errors. - **Heat and Cold Resistance:** All-metal product adheres to the inherent heat resistance of the material. *NETIS Registration No. KT-130064-VE New Technology Name U-Nut [Individual loosening prevention nut for fastening auxiliary facilities]* *For more details, please refer to the PDF document or feel free to contact us.*