hardware screws
nucor 00081 2842 450 hex head cap screw gr 8 4 1 2 in pk10
hex head cap screw head type hex diameter 1 2 in . grade 8 material medium carbon steel finish plain thread size 1 2 20 thread type fine length under head 4 1 2 in . thread length 1 1 4 in . head height 3 8 in . head width 3 4 in . thread style partially threaded thread direction right hand proof load 120000 psi tensile strength 180000 psi rockwell hardness c33 to c39 meets exceeds sae j429 asme b18 .2.1 package quantity 10 br b features b ul li finish plain li li item hex head cap screw li li material medium carbon steel li li package quantity 10 li li tensile strength psi 180000 li li thread size 1 2 20 li li type high strength li li class 2a li li grade 8 li li head type hex li li tensile strength 180000 psi li li thread length 1 1 4 li li thread style partially threaded li li thread type fine li li meets exceeds sae j429 asme b18 .2.1 li li proof load psi 120000 li li rockwell hardness c33 to c39 li li comparable to property class 10.9 li li thread direction right hand li li length under head 4 1 2 li li head height 3 8 li li head width 3 4 li li diameter 1 2 li li proof load 120000 psi li li system of measurement inch li li dia . thread size 1 2 20 li ul