3,000 5/8-11 x 2-1/2 heavy head hex bolts ASTM A193-B7 black oxide 3,000 5/8-11 x 2-3/4 heavy head hex bolts ASTM A193-B7 black oxide 6,000 5/8-11 x 2-3/4 heavy hex head bolts ASTM A193-B7 with (1) ASTM A194 -2H Heavy hex nut attached (packed 25 pieces per box or bag) 5,000 5/8-11 x 1-1/2 heavy hex head bolts ASTM A193-B7 zinc plated (packed 25 pieces per box or bag) 4,000 5/8-11 x 2 heavy hex head bolts ASTM A193-B7 zinc plated (packed 25 pieces per box or bag) 6,000 5/8-11 x 3-1/4 full thread studs ASTM A193-B7 black oxide with (2) ASTM A194-2H heavy hex nuts attached to the studs 6,000 5/8-11 x 3-1/2 full thread studs ASTM A193-B7 black oxide with (2) ASTM A194-2H heavy hex nuts attached to the studs 11,000 5/8-11 x 4 full thread studs ASTM A193-B7 black oxide with (2) ASTM A194-2H heavy hex nuts attached to the studs 5,000 5/8-11 x 3-1/4 full thread studs ASTM A193-B7 black oxide 7,000 5/8-11 x 3-1/2 full thread studs ASTM A193-B7 black oxide 800 3/4-10(unc-2A) x 2.773-2.713 double end studs rolled threads ASTM A193-B7 1.010/.950 x 1.203/1.143 black oxide Manufacturer can not be in China