OEM ODM Small Shoulder Thumb Black Pan Flat Hex Hexagon Head Brass Aluminum Metal Stainless Steel Machine Chicago Tapping Screw US $0.01-$0.07
ISO7380.2 M3 M4 M5 M6 M8 M12 Steel black oxide 8.8 grade button head flange hex socket cap screw with washer US $0.07-$0.09
DIN912 allen bolt m6 SS 304 316 stainless steel hex socket screw gr8.8/10.9/12.9 hex socket head bolt screws US $0.01-$0.03
Building roofing screw galvanised metal hex head tek wood galvanized screws hex self drilling roofing screws with rubber washer US $0.01