NSSS Instrument

Product ＞ General Screw ＞ Drilling screw

Screw and washer assembled (SEMS screw)

Material: carbon steel, stainless steel, alloy steel, aluminum, brass.
Measurements: 4#~18#, 1/4", 5/16", 3/8", 7/16", 1/2", 2.2~ M12
Length: 1/4”~15 3/4”, 6.5mm~400mm