Stainless steel bolt 1, spec.: 12-50mm, wall: 0.8-2.0mm 2, ... ,AMSE 3, material: INOX AISI304,304L,316,316L Stainless steel bolt 1, The material can be SUS304,304L,316, or 316L ... can provide with specification of many kinds. We have many CNC process maching. It is usually used in connecting the fitting ... government buildings, classy hospitals, star hotels water supply projects. hex bolt