沖頭 孔徑A19 (3 / 4) 19.8 mm A25 (1) 26.1 mm A31 (1 1/ 4) 32.5 mm A39 (1 1/ 2) 38.7 mm A51 (2) 51.6 mm
B16 (1/ 2) 21.8 mm B22 (3 / 4) 27.6 mm B28 (1) 34.1 mm B36 (1 1/ 4) 42.7 mm B42 (1 1/ 2) 48.7 mm B54 (2) 60.5 mm