hardware screws
tamper pruf screw 121682 mach screw flat 4 40 x 1 4 l pk 50
tamper resistant screw head type flat 18 8 stainless steel length 1 4 drive type spanner finish plain thread size 4 40 driver size 4 head dia . 0.195 0.225 head height 0.067 head angle deg . 82 meets exceeds ansi asme b18 .6.3 package quantity 50 br b features b ul li finish plain li li item tamper resistant screw li li length 1 4 li li material 18 8 stainless steel li li package quantity 50 li li thread size 4 40 li li drive type spanner li li driver size 4 li li head angle deg . 82 li li head type flat li li meets exceeds ansi asme b18 .6.3 li li head dia . 0.195 0.225 li li head height 0.067 li ul