DTGN M4-0.7x12mm Socket Cap Screws 50 Pcs Black Steel
[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.
DTGN M4x12mm Torx Security Screw 10 Pack
These security screws require a Torx bit for installation.