461 Pieces M3 x 30mm /35mm /40mm /45mm /50mm Socket Head Screws M3 Long Screw…
The head of hex socket cap screw is round, and the middle is a recessed hexagon. It is usually used with a hex wrench.
The head of hex socket cap screw is round, and the middle is a recessed hexagon. It is usually used with a hex wrench.