MS24633B (NOTICE 3), MILITARY STANDARD: SCREW, TAPPING-THREAD CUTTING, TYPES BF AND BT, APPROXIMATE HOLE SIZES FOR (21 DEC 2004)
MS24633B (NOTICE 3), MILITARY STANDARD: SCREW, TAPPING-THREAD CUTTING, TYPES BF AND BT, APPROXIMATE HOLE SIZES FOR (21 DEC 2004).