MS24633B (NOTICE 2), MILITARY STANDARD: SCREW, TAPPING-THREAD CUTTING, TYPES BF AND BT, APPROXIMATE HOLE SIZES FOR (18 NOV 1999)
MS24633B (NOTICE 2), MILITARY STANDARD: SCREW, TAPPING-THREAD CUTTING, TYPES BF AND BT, APPROXIMATE HOLE SIZES FOR (18 NOV 1999).