DIN/ASTM nut 1.carbon steel,alloy,al,cu,SS,etc 2.zinc,black,HDG.etc. 3.also as the customer need. 3.also as the customer ne

DIN/ASTM nut1.carbon steel,alloy,al,cu,SS,etc2.zinc,black,HDG.etc.3.also as the customer need.

hexnut low and high tensile