Brass Hexagon Socket Concave end Set Screws With Cup Point Grub Headless Socket Head Screw Bolts M3 M4 M5 M6 Brass screw socket head screw Concave head screw holding screw Screw with cup tip Headless screw Product Description:
Product Name: Brass Hexagon Socket Set Screws
Material: Brass
Standard:GB/T
Specification:M3 M4 M5 M6
Size Description: Eg M6*10 (Thread Diameter=6mm Thread Length=10mm) Total Length.