hardware screws
tamper pruf screw 141404 mach screw round 4 40x1 2 l pk 100
tamper resistant screw head type round 18 8 stainless steel length 1 2 drive type one way finish plain thread size 4 40 driver size 4 head dia . 0.193 0.211 head height 0.075 0.086 meets exceeds ansi asme b18 .6.3 package quantity 100 br b features b ul li finish plain li li item tamper resistant screw li li length 1 2 li li material 18 8 stainless steel li li package quantity 100 li li thread size 4 40 li li drive type one way li li driver size 4 li li head type round li li meets exceeds ansi asme b18 .6.3 li li head dia . 0.193 0.211 li li head height 0.075 0.086 li ul