hardware screws
1na78 mach screw rnd 3 8 16x1 2 l pk 100
machine screw head type round carbon steel length 1 2 drive type slotted finish zinc plated thread size 3 8 16 driver size 4 head dia . 0.670 head height 0.237 rockwell hardness b70 meets exceeds ansi b18 .6.3 package quantity 100 br b features b ul li finish zinc plated li li item machine screw li li length 1 2 li li material carbon steel li li package quantity 100 li li thread size 3 8 16 li li drive type slotted li li driver size 4 li li head type round li li meets exceeds ansi b18 .6.3 li li rockwell hardness b70 li li head dia . 0.670 li li head height 0.237 li ul