unbrako 14733 sckt set scr knurl cup 1 4 20x5 16 pk100
socket set screw alloy steel black oxide finish thread size 1 4 20 point type knurled cup point material alloy steel drive type hex socket drive size 1 8 overall length 5 16 point dia . 0.130 temp . range f 50 to 550 class 3a rockwell hardness 45 to 53 meets ansi b18 .3 package quantity 100 br b features b ul li meets ansi b18 .3 li li material alloy steel li li package quantity 100 li li class 3a li li decimal equivalent 0.125 li li drive type hex socket li li point type knurled cup li li item socket set screw li li thread size 1 4 20 li li point dia . 0.130 li li temp . range f 50 to 550 li li point material alloy steel li li finish black oxide li li drive size 1 8 li li overall length 5 16 li li rockwell hardness 45 to 53 li ul