Uxcell M4-0.7x12mm Button Head Socket Cap Screws - 100Pack - Good for Road Bicycle, Mountain Bike, Auto, Motorcycle - Carbon Steel Black Oxide - Hex Drive Fasteners

Material - Constructed with carbon steel material with black oxide treatment, the hex socket cap screw is of stronger durability, has a bright appearance, is not easier to deform or corrode, and has a long service life than other surface finishes.

Feature - The button socket head cap screw is designed with an inner hex drive style and pan head, providing a higher torque and clamping force, as well as offering a wider bearing surface and high tensile strength.
 
Application - Good replacement parts and construction fasteners for cars, bicycles, communication equipment, and ship assembly.

Installation - To access this hex drive screw, you will need to use a hex wrench to tighten or loosen it. The socket button head design enhances torque capabilities, allowing for greater clamping force. For optimal results, it is recommended to use a retaining washer to lock the hex drive in place securely.