DIN933 Black hex bolts 1.Material: carbon steel 2.Size: M3-M42 3.Standard:DIN933/GB5783 4.Polishing surface ... DIN933 Specifications1. Standard:DIN931/933, DIN558/601; DIN6914, DIN960/961, ANSI B18.2.1, BSW, JSB ans ISO standard or non-standard as ... request&design.2. Material:Carbon steel, Alloy steel, stainless steel or according require ...