Hex bolt 1.Bolt Size,M4-M100 2.Bolt Material,stainless steel,carbon steel 3.SGS,ISO 4. ... bolt: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 require3 ...