We can produce all kinds of screws carbon steel& stainless steel Best price. Good quality. Good service ALL Kind of screwsChipboard screwsDrywall screwsSelf tapping screwsSelf drilling screwsMachine screws Wood screws Specification Self Drilling ScrewMaterialCarbon Steel(1022,1018), SUS(302,304,316,410)DiameterM3.5 - M6.3 (#6-#14)Length6.5 -150mm (1/4''-6'')Thread CodeAB Type, A TypeHead CodeHex ...