0.340" hole diameter 1.000" outside diameter 0.060" material thickness navy special project drill 1 no. /30/ 0.127 in. min 0.132 in. max thru body shouldered
3b thread class right-hand 12 thread quantity per inch 4 holes 0.063 in. dia equally spaced 45 deg from drive point on surface through side anodize surface treated