hardware screws
unbrako 2630 flat head cap screw 1 2 13x1 pk 100
socket head cap screw head type flat material alloy steel black oxide finish thread size 13 drive type hex socket drive size 5 16 in . thread type coarse thread style fully threaded thread direction right hand length under head 1 in . thread length 1 in . head height 1 2 in . thread dia . 1 2 in . head dia . 3 4 in . temp . range 50 degrees f to 550 degrees f rockwell hardness 39 to 43 min . tensile strength 160000 psi meets exceeds astm a574 ansi b18 .3 package quantity 100 br b features b ul li package quantity 100 li li thread type unc li li thread size 1 2 13 li li meets astm a574 ansi b18 .3 li li material alloy steel li li item socket head cap screw li li class 3a li li drive size 5 16 li li finish black oxide li li thread style fully threaded li li min . tensile strength psi 160000 li li thread direction right hand li li length under head 3 4 li li head dia . 0.938 li li head height 0.251 li li meets exceeds astm a574 ansi b18 .3 li li head style flat li li drive type hex socket li li decimal equivalent 0.313 li li overall length 1 li li thread length 0.749 li li temp . range f 50 to 550 li li rockwell hardness 40 to 43 li ul