SOCKET HEAD CAP SCREW ACCORDING TO DIN 912 CLASS 10.9 SURFACE: BLACK PHOSPHATE UNF 3/8 X 1-1/2" 500 KG UNF 3/8 X 2-1/2" 500 KG UNF 1/2 X 1-1/2" 500 KG UNF 1/2 X 2" 500 KG UNF 1/2 X 2-1/2" 500 KG UNC 1 X 3" 1000 KG UNC 1 X 3-1/2" 1000 KG UNC 1 X 4" 1000 KG UNC 1 X 5" 1500 KG UNC 1 X 6" 1500 KG UNC 3/4 X 2-1/2" 1000 KG UNC 7/8 X 2-1/2" 750 KG UNC 7/8 X 3" 750 KG UNC 7/8 X 3-1/2" 750 KG UNC 7/8 X 4" 750 KG UNC 7/8 X 5" 750 KG UNC 1-1/2 X 4" 1000 KG