Hexagone bolts DIN931,933,960,961,UNC,UNF all kind of standard hex bolts Materials: high Carbon stell Grade: 8.8 , 10.9 and 12.9 Surfuce: BLK, Y ZP, W ZP, and HDG Sizes Mm6 to above (all sizes) all kind of standard and Non standard hex bolts 联系方式Co:Awlad Othman For Imp. & Exp. And Trading Fasteners and Bolts Add:1 No, Al Anaber St, , AL-Sbtia Sq, , Cairo, Egypt Tel:002-010-4464041 Fax:002-010-4464041 Email:khaled.osm@hotmail.com