4-40 x 3/8" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk 21760

These 4-40 x 3/8in Security Machine Screws from Tamper-Pruf Screw offer an added level of security through their unique drive design, preventing removal with ordinary screwdrivers. Engineered for maximum torque transfer and positive tool engagement, they make installation easier with less pressure and slippage. Ideal for general purposes, these button head screws feature a lower crown and shallower recess than round head screws. They are suitable for a variety of applications, including electronics, automotive, and industrial use. With their high-quality 302HQ/18-8 SS construction, these screws provide long-lasting durability and resistance to corrosion.

Top product features:

• Security fasteners provide an added level of security by their drive design that prevents removal with ordinary screwdrivers.
• Button head screws are typically used for general purposes with a lower crown and shallower recess than round head screws.
• Requires matching driver bit for installation.

Top product applications:

• General purpose fastening in electrical panels
• Assembly of electronic equipment
• Attachment of hardware to metal surfaces in construction and manufacturing