... -M42 3.Standard:DIN933/GB5783 Stainless steel hex bolts DIN933 Specifications Material: Stainless steel, mild steel, carbon steel Standard: DIN, ISO, JIS, ... AISI, GBGrade of strength: 4,6,8,10,12Size: M3-M42 Surface: plain, Zinc plated, black ... of our enterprise. We strive to provide customers with more and more satisfying products. We will ...