hardware screws
unbrako 3131 socket head cap screw m20x45mm pk 25
metric socket head cap screw head type standard material alloy steel black oxide finish thread size 0.50 mm drive type hex socket drive size 17mm thread type fine thread style fully threaded thread direction right hand length under head 45mm thread length 45mm head height 20mm thread dia . m20 head dia . 30mm rockwell hardness 40 to 43 min . tensile strength 176900 psi meets exceeds astm a574 ansi b18 .3.1 m package quantity 25 br b features b ul li package quantity 25 li li thread type metric li li thread size m20 x 2.50 mm li li meets astm a574 ansi b18 .3.1 m li li material alloy steel li li item socket head cap screw li li class 4g6g li li drive size 17mm li li finish black oxide li li thread style fully threaded li li min . tensile strength psi 180000 li li thread direction right hand li li length under head 45mm li li head dia . 30mm li li head height 20mm li li meets exceeds astm a574 ansi b18 .3.1 m li li head style standard li li drive type hex socket li li overall length 65mm li li thread length 45mm li li temp . range f 50 to 550 li li rockwell hardness 40 to 43 li ul