材質(zhì)：碳 鋼、 級(jí)別：4.8級(jí)
不銹鋼、 200系/304系
表面：（ROHS）發(fā)黑、鍍白鋅、彩鋅、藍(lán)白鋅、黑鋅、鍍鎳、鍍銅、達(dá)克羅
產(chǎn)品規(guī)格：
M6*12,14,16,20,25,30,35,40,45,50,55,60
M8*16,20,25,30,35,40,45,50,55,60,65,70,75,80
M10*25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100
M12*30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,110,120
M14*40,45,50,55,60,65,70,75,80,85,90,95,100,110,120,130,140
M16*45,50,55,60,65,70,75,80,85,90,95,100,110,120,130,140,150,160
M20*60,65,70,75,80,85,90,95,100,110,120,130,140,150,160,170,180,190,200
