Tamper Resistant Screws Product List and Ranking from 9 Manufacturers, Suppliers and Companies

Last Updated：Aug 27, 2025 Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

Tamper Resistant Screws Manufacturer, Suppliers and Company Rankings

Last Updated：Aug 27, 2025 Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

ヱトー Kanagawa//Machine elements and parts
池田金属工業 Osaka//Machine elements and parts
オーエスジー株式会社グループ Aichi//Machine elements and parts
モリシタ Osaka//Machine elements and parts
山崎 Shiga//Machine elements and parts

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Tamper Resistant Screws Product ranking

Last Updated：Aug 27, 2025 Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

Original head shape; anti-tamper screw 'LH Sticks' ヱトー
Anti-tamper screw "TRF" 池田金属工業
Do you know this kind of screw? Anti-tamper screw. オーエスジー株式会社グループ
Anti-tamper screw "LH Sticks" モリシタ
4 Tamper-proof screw 山崎

Tamper Resistant Screws Product List

1～11 item / All 11 items

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Tamper-proof screw "Nut Series"

Introducing three types of tamper-proof screws: enhanced safety, special recess, and dedicated tools!

We would like to introduce the prank prevention screws, "Nut Series," handled by Azumanegi Co., Ltd. We offer three types, including the "Two-Hole Nut," which is aesthetically preferred for its two holes, the specially finished spherical "Candy Nut," and the "Eboshi Nut," which cannot be removed with standard tools. 【Lineup】 ■ Two-Hole Nut ■ Candy Nut ■ Eboshi Nut *For more details, please refer to the PDF document or feel free to contact us.

Company：アヅマネジ
Price：Other

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Tamper-proof screw

A variety of products are featured, including triangular (eboshi rock) holes, no recesses, and pin cross holes!

This catalog introduces "Tamper Resistant Fasteners" (TRF) with specially shaped drive components (such as recesses). They are difficult to remove without using dedicated tools, reducing the risk of theft or disassembly of the products. We offer 12 types of drive shapes and a lineup of screw types including bolts, tapping screws, stop screws, and nuts. Custom orders are also welcome. 【Featured Products (excerpt)】 ■ Triangular (Eboshi Lock) hole ■ System Five ■ Two Hole ■ Tri-Wing ■ No Recess *For more details, please refer to the PDF document or feel free to contact us.

Company：アヅマネジ
Price：Other

bolt
nut

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Tamper-proof screw

[Theft Prevention!] This is a screw that is difficult to remove unless a special tool is used.

Tamper-proof screws refer to screws that are difficult to remove without using a specialized tool. Additionally, they have good torque transmission, which means that the screwdriver is less likely to lift off from the hand. The screw holes have a design element, so they can also be used for decorative purposes. Recently, various shapes have been in demand. 【Category】 ■ Pins, Hexagonal ■ TRF (TRX) Pins ■ Tri-Wing ■ Two-Hole Please feel free to contact us for more details. ↓ ↓ ↓ ↓ ↓ ↓ ↓

Company：ツルガ
Price：Less than 10,000 yen

bolt

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Eboshi TRF

This is a prank prevention screw inspired by Eboshi Rock located at Shonan Chigasaki Beach!

Due to the triangular recess shape, it cannot be removed with standard tools. It can be fastened and released with a dedicated tool.

Company：SAIMA CORPORATION
Price：Other

bolt

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Anti-tamper screw "TRF"

Just replace the existing screws! A product with high design and security features.

"TRF" is a tamper-proof screw used in terminal products that require safety measures such as the disassembly of public facilities and toys, accident prevention, theft prevention for equipment, and compliance with the Radio Law. By replacing existing screws, security is enhanced. Additionally, due to its aesthetic appeal, it is also appreciated for its design, and there are many situations where it is used as an accent for products. [Features] - Security is increased simply by replacing existing screws - Cannot be disassembled without a special tool - A variety of tamper-proof screws are in stock *For more details, please refer to the related links or feel free to contact us.

Company：池田金属工業
Price：Other

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Introduction of Anti-Tamper Screws by Neji Super

We can accommodate even very small lots! Orders placed by 2 PM will be shipped the same day! Introducing tamper-proof screws.

This is an introduction to the "Anti-Tamper Screws" available on the online store "Niji Super Dot Com" of Yamamoto Tech Co., Ltd. This product can be selected from materials such as iron and stainless steel. For iron, you can choose from various surface treatments including bare (raw), chromate, nickel, and more. Additionally, surface treatments suitable for various materials are available. Please refer to "Niji Super Dot Com" for information on materials and pricing. 【Available Materials】 ■ Iron ■ Stainless Steel *For more details, please feel free to contact us.

Company：山本テクノ
Price：Other

Other services
stainless
Other metal materials

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Do you know this kind of screw? Anti-tamper screw.

Introducing the OSG original head shape "LH Sticks," featuring products that are useful as security screws!

The original head shape "LH Sticks" from OSG is designed as a fastening system, resulting in a unique head shape that requires specialized tools. Its distinctive shape serves as a theft prevention design, functioning as tamper-proof and security screws. The specialized tools are equipped to accommodate various fastening tools, including manual, powered, and automatic machine attachments. The fit between the screw head and the fastening tool is a significant factor in the ease of fastening and fastening accuracy. The LH Sticks are always arranged to ensure this fit is guaranteed. *For more details, please refer to the PDF materials or feel free to contact us.*

Company：オーエスジー株式会社グループ
Price：Other

bolt

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Anti-tamper screw "LH Sticks"

Due to the special head and recess shape, it features a theft prevention design! It can be used as a security screw and anti-vandalism screw.

The "LH Sticks" are screw products that pursue torque transmission performance for cross holes, hex heads, and hex sockets. At the same time, due to their special head and recess shape, they feature a theft prevention design and are widely used as tamper-proof, anti-theft screws, and vandalism prevention screws. 【Features】 ■ Excellent torque transmission with a 0° drive angle design, preventing cam-out ■ Improved tool compatibility, high-strength fastening, and enhanced workability ■ Increased security ■ Lightweight (LH-SS) *For more details, please refer to the PDF materials or feel free to contact us.

Company：モリシタ
Price：Other

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Tamper-proof screw

Recommended screws for those considering anti-tampering for equipment.

Yamazaki Co., Ltd. offers "tamper-proof screws" that can be used for equipment that should not be disassembled. There are types such as TRX tamper-proof screws with a pin in the center of a standard Torx (TRX), which have a special recess (driver hole) that makes them difficult to loosen, thus being used as anti-theft screws. 【Product Lineup】 ■ Pin Hexagon Hole ■ TRX Tamper-Proof ■ Two-Hole ■ Tri-Cle *For more details, please refer to the PDF document or feel free to contact us.

Company：山崎
Price：Other

nut
bolt

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Tamper-proof screw

We accept custom orders for a variety of small quantities starting from just one screw! You can view our digest catalog featuring tens of thousands of screws.

Yamazaki Co., Ltd. engages in the sale of screws and general machine tools, production of special screws, sale of transmission components, and machining services. We handle a wide variety of products and can ship even a single screw. We accept orders from parts procurement to processing. Additionally, due to our unique facilities and production routes, we can create screws that are not commercially available, so please feel free to consult with us. <From PDF Download> You can view a catalog that includes a selection of tamper-proof screws. You can visit our website and use the classification codes listed in the catalog to search for product prices, drawings, and more. 【Featured Products (Partial)】 ■ Tamper-proof screws *For more details, please download the PDF or feel free to contact us.

Company：山崎
Price：Other

nut
bolt

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Original head shape; anti-tamper screw 'LH Sticks'

The original head shape prevents tampering and helps with "vandalism prevention"! Improved torque transmission increases work efficiency!

The LH Sticks are designed as a fastening system, featuring a unique head shape that can only be used with specialized tools. This head shape allows for stable fastening while enabling weight reduction and a lower profile. Its distinctive shape serves as a theft prevention design, functioning effectively as tamper-proof and security screws. Eliminating the unstable factors in fastening desired for the automation of production lines, LH Sticks achieve minimal play and stable fastening. With LH Sticks, further weight reduction and miniaturization in product design and development can be realized. 【Features】 ■ Durable head shape: Designed to prevent cam-out, allowing for secure fastening. ■ 0° drive angle design: The shape ensures that torque is effectively transmitted to the recess, enabling stable fastening. ■ Excellent adhesion with bits and drivers: The screw and tool fit securely together for safe fastening. *For more details, please download the materials or feel free to contact us.