nut×株式会社冨士精密 - List of Manufacturers, Suppliers, Companies and Products

nut Product List

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Locking nut "SU-NUT"

Locking nut "SU-NUT"

Locking nut + theft prevention + tamper-proof nut

"SU-NUT" is a safety and security lock nut adopted in outdoor facilities such as mega-solar plants. Recently, we have received inquiries to protect equipment from theft and natural disasters at important facilities around the world, including the mega-solar plants being built across the country. The "SU-NUT" features a unique design that enhances visual security deterrence while requiring a special socket for installation and removal, making it impossible to use standard sockets or wrenches. The management of the special socket is handled by Fuji Precision Co., Ltd., and we provide it for free to customers after signing a "memorandum." 【Features】 - Protects your valuable assets - Equivalent functionality and quality to U-NUT - Simply replace the nuts you are currently using - Easy to use, requiring only a special socket as a tool For more details, please contact us or download the catalog.

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Locking nut "BLU-NUT"

Locking nut "BLU-NUT"

Locking function + one-sided fastening method nut

"BLU-NUT" is a research and development product that incorporates the functionality of a U-NUT into a blind nut. Based on feedback from everyone, we have integrated Fujiseimitsu Co., Ltd.'s U-NUT technology into the blind nut. We believe that this "BLU-NUT" will lead to further improvements in our customers' work efficiency and cost management. 【Features】 ○ Reduces the time and effort required for complicated pre-process tasks ○ Simple operation that can be tightened with a riveter or nut driver ○ Contributes to overall cost reduction ○ Reduces the number of parts, making management easier ○ Equipped with measures to prevent nut rotation and bolt seizure For more details, please contact us or download the catalog.

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Locking nut "Small U-NUT"

Locking nut "Small U-NUT"

To reduce the workspace! Tools can be shared, making work more efficient.

The "Small U-NUT" is a nut that has a width across two opposite faces that is one rank smaller than that of a standard nut for the same nominal diameter. This product allows for weight reduction of the nut. Additionally, it enables a reduction in workspace. Furthermore, it allows for the sharing of tools, contributing to increased work efficiency. 【Features】 ■ Width across two opposite faces is one rank smaller than that of a standard nut for the same nominal diameter ■ Weight reduction of the nut ■ Reduction in workspace ■ Tools can be shared ■ Increased work efficiency *For more details, please refer to the PDF document or feel free to contact us.

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Locking nut "Flange U-NUT"

Locking nut "Flange U-NUT"

Reduce the process of fitting washers! Improve aesthetics with a design integrated with the flange.

The "Flange U-NUT" is a locking nut that reduces the process of fitting washers, thereby improving work efficiency. This product helps reduce management supplies. Additionally, the seating surface is stable, and fastening performance is enhanced. The integrated design with the flange improves aesthetics. 【Features】 ■ Increases work efficiency ■ Reduces management supplies ■ Stable seating surface ■ Enhanced fastening performance ■ Integrated design with flange *For more details, please refer to the PDF document or feel free to contact us.

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Locking nut "Weld U-NUT"

Locking nut "Weld U-NUT"

Fastening by screwing in the bolt! Projection type nut.

The "Weld U-NUT" is a projection-type nut. It is fastened by screwing in a bolt. There are examples of its use in automotive armrests, automotive seat frames, and motorcycle center stands. 【Specifications (excerpt)】 ■ Nominal diameter (d): M5 ■ Pitch (p): 0.8 ■ Width across flats (s): Standard dimension/9, Tolerance/0-0.36 ■ Overall height (h): Standard dimension/3.0, Tolerance/±0.3 ■ Thread height (m): Approximately 2.3 ■ Weight (g): Approximately 1.2 *For more details, please refer to the PDF document or feel free to contact us.

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Locking nut "Wit U-NUT"

Locking nut "Wit U-NUT"

Compatible with the old British standards commonly used in construction and plumbing!

The "Wit U-NUT" is a lock nut with a thread angle of 55°. It complies with the old British standards commonly used in construction and plumbing. Additionally, we also offer the "Unify U-NUT," which meets the standards of the United States, the United Kingdom, and Canada. 【Features】 ■ Thread angle is 55° ■ Complies with the old British standards commonly used in construction and plumbing *For more details, please refer to the PDF document or feel free to contact us.

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Adopted for the new Meishin Expressway soundproof panels: "Clip U-Nut / HEX U-Nut"

Adopted for the new Meishin Expressway soundproof panels: "Clip U-Nut / HEX U-Nut"

The U-NUT, coated with stainless steel and hot-dip galvanized zinc, is used for the installation anchors of soundproof panels and the mounting brackets for soundproof panels on the New Meishin Expressway.

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 - New Meishin Soundproof Panels (Support Mounting Anchors and Soundproof Panel Mounting Hardware) ■ Adopted Products - Clip U-Nut (Stainless Steel) / HEX U-Nut (Stainless Steel, Hot-Dip Galvanized) ■ Reasons for Adoption - Locking function, proven track record, on-site construction management/safety management, and fall prevention measures ■ Other Features - Performance results of the locking function can be verified in accordance with NEXCO construction management guidelines. *For more details, please refer to the PDF document or feel free to contact us.

  • Earthquake-proof and vibration-damping equipment

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HEX U-Nut adopted for Tokyo Skytree

HEX U-Nut adopted for Tokyo Skytree

U-NUT (stainless steel) is used in the curtain wall of Tokyo Skytree.

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】 ■ Application Location - Tokyo Skytree (Curtain Wall) ■ Product Used - HEX U-Nut (Stainless Steel) ■ Reasons for Adoption - Locking function, simplification of on-site construction, reduction in the number of components ■ Other Features - Can be fastened in limited spaces *For more details, please refer to the PDF document or feel free to contact us.

  • Earthquake-proof and vibration-damping equipment

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Adoption of 'HEX U-Nut' in hydraulic excavators

Adoption of 'HEX U-Nut' in hydraulic excavators

U-NUT treated with S45C is used in the caterpillar of hydraulic excavators.

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 the U-NUT locking nut being implemented. 【Case Overview】 ■ Adoption Location - Hydraulic Excavator (Caterpillar) ■ Adopted Product - HEX U-Nut (S45C) ■ Reason for Adoption - Locking function ■ Other Features - High strength and excellent availability *For more details, please refer to the PDF document or feel free to contact us.

  • Earthquake-proof and vibration-damping equipment

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Single lock nut for securing auxiliary facilities (old registration)

Single lock nut for securing auxiliary facilities (old registration)

By introducing the standalone locking nut "U-NUT," we have confirmed an improvement in fastening work efficiency, contributing to a reduction in construction days and maintenance costs!

"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, which demands safety and reliability, continues to evolve 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 specialized tools ■ Standalone Component: Simplifies parts management and prevents installation errors ■ Heat and Cold Resistance: All-metal product with excellent heat and cold resistance *NETIS Registration No. KT-130064-VE New Technology Name "U-Nut" 【Customer Feedback】 By using U-NUT for securing shackles, we were able to eliminate the need for the traditional process of crushing screw threads, confirming improved fastening work efficiency. This led to a reduction in construction days and maintenance costs. *For more details about "U-NUT," please download the PDF or feel free to contact us.

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Locking nut "GU-NUT" compliant with JIS standards.

Locking nut "GU-NUT" compliant with JIS standards.

Expanded the shape of the friction ring to 270°! A lock nut that meets JIS standards.

The "GU-NUT" is a locking nut that adopts a large 270° friction ring to meet the loosening prevention performance specified in JIS B1056, utilizing the friction ring of the "U-NUT." We have enhanced the loosening prevention performance, pursuing greater safety and peace of mind. It complies with JIS B1056 "Pre-Loading Torque Type Steel Hex Nut." 【Features】 ■ Complies with JIS B1056 "Pre-Loading Torque Type Steel Hex Nut" ■ The shape of the friction ring has been expanded to 270°, improving performance ■ As a high-torque type, the loosening prevention function is further enhanced ■ Prevents early detachment even if axial force decreases *For more details, please refer to the PDF document or feel free to contact us.

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Locking nut "CLIP U-NUT"

Locking nut "CLIP U-NUT"

A locking nut that only requires drilling holes in the material, eliminating the need for welding nuts or tapping screws.

The "CLIP U-NUT" is a specialized U-NUT designed to facilitate work in locations that are difficult to access or where hands cannot reach, such as the installation of soundproof walls on highways. By simply drilling holes in the components, there is no need for welding nuts or tapping screws. Additionally, the guide ring function makes positioning easy. The one-sided fastening method reduces the number of workers required and achieves a total cost reduction. 【Features】 ■ The clip fittings are compatible with the function of square washers. ■ Contributes to the simplification of work. ■ Reduces the number of parts. ■ Shortens construction time. *For more details, please refer to the PDF materials or feel free to contact us.

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Locking nut with washer U-NUT

Locking nut with washer U-NUT

Loosening prevention feature + disc spring + loosening prevention nut for improved work efficiency.

The "Washer-equipped U-NUT" is a locking nut that accommodates loose holes and blind holes due to its large washer diameter. In response to requests from various sources, we have integrated a large washer into the hexagonal shape of the U-NUT. Since the nut, spring washer, and washer are all integrated, it reduces labor, improves work efficiency, and minimizes the risk of forgetting to install parts as well as the hassle of inventory management. 【Features】 〇 Galvanized (SS400) ○ Stainless steel products (SUS304) ○ No need for spring washers or flat washers ○ Usable with anchor bolts ○ Thread pitch is standard For more details, please contact us or download the catalog.

  • Other civil engineering works

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Locking nut "Cap type U-NUT"

Locking nut "Cap type U-NUT"

There are delivery examples for fall prevention devices, commercial fully automatic washing machines, and curtain walls!

The "Cap U-Nut" is a locking nut that covers the tip of the bolt with a cap to enhance aesthetics. It improves safety during contact with the bolt and protects the contacted objects, thereby addressing PL law measures. 【Features】 ■ Covers the tip of the bolt with a cap ■ Enhances aesthetics ■ Improves safety during contact with the bolt ■ Protects contacted objects ■ Addresses PL law measures *For more details, please refer to the PDF document or feel free to contact us.

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Flanged U-Nut (Stainless Steel) with Locking Feature

Flanged U-Nut (Stainless Steel) with Locking Feature

Excellent corrosion resistance! The seat surface is stable, and fastening performance is improved.

The "Flange U-NUT (Stainless Steel)" is a locking nut that reduces the process of fitting washers, thereby improving work efficiency. The seating surface is stable, enhancing fastening performance. Additionally, it allows for a reduction in management supplies. Furthermore, the integrated design with the flange improves aesthetics. 【Features】 ■ Reduces the process of fitting washers ■ Enhances work efficiency ■ Allows for a reduction in management supplies ■ Stable seating surface ■ Improved fastening performance *For more details, please refer to the PDF document or feel free to contact us.

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