hardware screws
tamper pruf screw 141520 mach screw round 1 4 20x1 2 l pk25
tamper resistant screw head type round 18 8 stainless steel length 1 2 drive type one way finish plain thread size 1 4 20 driver size 14 head dia . 0.443 0.472 head height 0.160 0.175 meets exceeds ansi asme b18 .6.3 package quantity 25 br b features b ul li driver size 14 li li finish plain li li head type round li li meets exceeds ansi asme b18 .6.3 li li drive type one way li li item tamper resistant screw li li length 1 2 li li package quantity 25 li li thread size 1 4 20 li li head height 0.160 0.175 li li material 18 8 stainless steel li li head dia . 0.443 0.472 li ul