北仑紧固件有限公司

1.We use stainless steel that it's A2 or A4(304/316) for the product 2.Have it mostly DIN933/931/603/315/975 and so on. 3.Standard bound :M10(x100-650)--M40(x80-600) 4.Our CO.produce ANSI/ASME bolt catena,For example 1/2.3/8.5/8.3/4.2/3.3/2and so on 5.Standard bound :3/8upwards----3/2