Screws | Flat-head Hex Socket Screws:

FINE THREAD、COARSE THREAD、HI-LOW THREAD

TYPE BSD、TYPE CSD、TEK POINT

SHARP POINT、SELF-DRILLING POINT

40°THREAD、SYMMETRIC /ASSYMETRIC THREAD

TYPE C、TYPE F、METRIC THREAD

40°THREAD

COLLATED SCREW

SS PANEL SCREW, PATENT NO.M253717