... .8 10.9 12.9Material: carbon steel, brass,stainless steel, spring steel, alloy steelPacking: Paper carton box and then palletMainly used ... hex nut: DIN, ANSI,BSW, JSB ans ISO standard or non-standard as request & design.2. Material:Carbon steel( T40,T45,Q235), ... -807. Size: M3-M48 or as reqeust.8. OEM & Customize non-standard products welcome.9. Surface: Plain, black finished, Zinc plated (Galv ...