TAMPER-PRUF SCREW Button Head Tamper-Resistant Machine Screw
The TAMPER-PRUF SCREW Button Head Tamper-Resistant Machine Screw (MPN 21520) is a 1/4-20 x 1/2 L fastener supplied in a pack of 25. It features a 5/32 in drive size and is designed for applications requiring a…
SKU 3G-OTH-689147
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- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Product Description
The TAMPER-PRUF SCREW Button Head Tamper-Resistant Machine Screw (MPN 21520) is a 1/4-20 x 1/2 L fastener supplied in a pack of 25. It features a 5/32 in drive size and is designed for applications requiring a tamper-resistant button head configuration.
Frequently Asked Questions
What is a TAMPER-PRUF SCREW button head tamper-resistant machine screw used for?
This screw is used in security-sensitive industrial applications where tamper resistance is required, such as panel enclosures, machinery guards, and public-access equipment. The button head provides a low-profile finish, and the tamper-resistant drive deters unauthorized removal.
What are the specifications of the TAMPER-PRUF SCREW 21520?
The TAMPER-PRUF SCREW 21520 is a button head tamper-resistant machine screw with a 1/4-20 thread size, 1/2 inch length, and a 5/32 inch drive size. It is supplied in a pack of 25. The tamper-resistant design requires a special driver bit for installation.
Where to buy TAMPER-PRUF SCREW 21520 in worldwide?
3G Electric supplies the TAMPER-PRUF SCREW 21520 to worldwide customers. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source and deliver genuine fasteners across 14 departments, including fasteners and hardware.
How to install a tamper-resistant button head machine screw?
Install using a matching tamper-resistant driver bit (5/32 inch for this screw). Apply appropriate torque to avoid stripping the drive. Use thread-locking compound if vibration is a concern. Always follow the manufacturer's torque specifications for the mating material to ensure secure fastening.
TAMPER-PRUF SCREW Products
3G Electric supplies TAMPER-PRUF SCREW button head tamper-resistant machine screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
