球公稱直徑 DW 球公稱直徑 DW 球公稱直徑 DW mm in mm in mm in 0.5000 6.0000 13.4938 17/32 0.8000 6.3500 1/4 14.2875 9/16 1.0000 6.5000 15.0812 19/32 1.2000 6.7400 17/64 15.8750 5/8 1.5000 7.1438 9/32 16.0000 1.5875 1/16 7.9375 5/16 16.6688 21/32 2.0000 8.0000 17.4625 11/16 2.3812 3/32 8.7312 11/32 18.0000 2.5000 9.0000 18.2562 23/32 3.0000 1/8 9.5250 3/8 19.0500 3/4 3.1750 10.0000 19.8438 25/32 3.5000 10.3188 13/32 20.6375 13/16 3.9680 5/32 11.1125 7/16 22.0000 4.0000 11.5094 29/64 22.2250 7/8 4.7625 3/16 11.9062 15/32 23.0188 29/32 5.0000 12.0000 23.8125 15/16 5.5562 7/32 12.3031 31/64 24.0000 5.9531 15/64 12.7000 1/2 25.4000 1