Countersunk Head Hexagon Socket Bolts

 Features: It is often matched with T-nut for fastening profile  accessories

Hexagonal screw countersink, usually called: countersunk hexagonal screw, flat head hexagonal screw, flat cup hexagonal screw, many people regard countersunk head and flat head as a head type, in fact, countersunk head and flat head are different, countersunk screw head will be the first taper and then the thread, and flat head screw is directly connected to the screw rod