Hex head sets DIN 933 A4 316 Stainless Steel 3/4-10 x 2.5" 500 pieces Hex head sets DIN 933 A4 316 Stainless Steel 3/4-10 x 2.75" 500 pieces OR Hex head bolts DIN 931 A4 316 Stainless Steel 3/4-10 x 2.5" 500 pieces Hex head bolts DIN 931 A4 316 Stainless Steel 3/4-10 x 2.75" 500 pieces Items to have 3.1 certification to EN 10204 To include delivery to mainland UK. NE29 7UZ