M12 x 1.25 x 40 MM (FT) Fine Class 12.9 Socket Hd Cap Screw Black Oxide
Fastener Type: Socket Head Cap Screw. Finish: Thermal Black Oxide. Socket low head cap screws are used in applications where not enough clearance is available for a standard socket head cap screw. Socket flat head cap screws are used in applications where countersinking is desired.