hardware screws
tamper pruf screw 121340 mach screw pan 1 4 20x1 1 2 l pk25
tamper resistant screw head type pan 18 8 stainless steel length 1 1 2 drive type spanner finish plain thread size 1 4 20 driver size 14 head dia . 0.473 0.492 head height 0.130 0.144 meets exceeds ansi asme b18 .6.10 package quantity 25 br b features b ul li finish plain li li item tamper resistant screw li li length 1 1 2 li li material 18 8 stainless steel li li package quantity 25 li li thread size 1 4 20 li li drive type spanner li li driver size 14 li li head type pan li li meets exceeds ansi asme b18 .6.10 li li head dia . 0.473 0.492 li li head height 0.130 0.144 li ul