公制及英制螺纹钻孔尺寸表

( BEFORE TAPPING OR THREADING WITH CIRCULAR DIE . )

ISO METRIC COARSEMF ISO METRIC FINEMF(Continued)ISO METRIC FINEMF ( Continued ) ISO METRIC FINESIZEPITCHDRILLBLANK dSIZEPITCHDRILLBLANK dSIZEPITCHDRILLBLANK dSIZEPITCHDRILLBLANK dMmmmmM10.3M1.10.25M1.20.25M1.40.3M1.60.35*M1.70.35M1.80.35M20.4*M20.45M2.20.45*M2.30.4M2.50.45*M2.60.45M305*M30.6.M3.50.6M40.7*M40.75M4.50.75M50.8*M50.9*M5.50.9M61M71M81.25M91.25M101.5M111.5M121.75M142M162M182.5M202.5M222.5M243M273M303.5M333.5M364M394M424.5M454.5M485M525M565.5M605.5M646M686M726M766mm0.750.850.951.11.251.351.451.61.551.751.92.052.152.52.42.93.33.253.754.24.14.6566.757.758.59.510.2121415.517.519.5212426.529.5323537.540.5434750.554.558626670mm0.971.071.171.361.541.641.741.931.932.132.232.432.532.922.913.413.913.914.414.94.895.395.886.887.878.879.8510.8511.8313.8215.8217.7919.7921.7923.7726.7729.7332.7335.738.741.6944.6947.6651.6655.6359.6363.667.61 71.675.6mmM2M2.2M2.3M2.5M2.6M3M3.5M4M4M5M5M5M5.5M6M6M7M8M8M8M9M9M10M10M10M10M11M11M11M12M12M12M12M12M14M14M14M15M15M15M16M16M16M16M16M17M17M18M18M18M18mmmm0.251.750.251.950.252.050.352.150.352.250.352.650.353.150353.650.53.50.354.650.54.50.754.250.550.55.50.755.250.756.250.57.50.757.25170.758.25180.59.50.759.25191258.750.7510.251101.259.750.511.50.7511.251111.2510.751.510.51131.2512.751.512.50.7514.251141.513.50.515.50.7515.251151.2514.751.514.51161.515.50.7517.251171.2516.751516.5mm1.972.172.272.442.542.942.943.943.934.944.934.95.435.935.96.97.937.97.888.98.889.939.99.889.8610.910.8810.8611.9311.911.8811.8611.8513.8813.8613.8514.914.8814.8515.9315.915.8815.8615.8516.8816.8517.917.8817.8617.85mmM18M19M20M20M20M22M22M22M24M24M24M25M25M25M27M27M27M28M28M28M30M30M30M30M32M32M32M33M33M33M35M35M35M36M36M36M36M38M38M38M39M39M39M40M40M40M40M42M42Md7mm2111.5211.521211.521.511.5211-5211.52311.521.5231.52311.52311.521.52311.5231.523mm16181918.5182120.5202322.5222423.52326255252726.5262928.528273130.53031.5313033.533323534.534333736.53637.537363938.5383740.54039mmmmmmmmmm17.82M4243841.718.88M451.543.544.8519.88M4524344.8219.85M4534244.7619.82M481.546.547.8521 88M4824647.8221.85M4834547.7621.82M48444?47.723.88M501.548.549.8523.85M5024849.8223.82M5034749.7624.88M521.550.551.8524.85M5225051.8224.82M5234951.7626.88M5244851.726.85M5625455.8226.82M5645955 7G( BSP ) MECHANICAL JOINT27.8827.85RP( BSP ) LEAKPROOF JOINT27.82GRPGDRILLDRILLBLANK29.88SIZEPITCH29.85InchTPImmmmmm29.821/8288.88.69.6229.761/41911.8 11.513 0331.883/81915.251516.5331.851/21419 18520.8131.825/8142120.522.7732.853/41424.52426.332.827/81428.327.7530.0632.761\"1130.8350.2533 .0734.851 1/41139.53941.7334.821 1/21145.3414.7547.6234.761 3/41151.350.5535635.882\"1157.256.559.4335.852 1/41163.362,565.5235.822 1/21172.872.37535.763\"1185.58587.737.88RC ( BSPT )DRILL37.85SIZEPITCH37.82InchTPImm38.851/8288.638.821/41911.538.763/8191539.881/21418.539.853/4142439.821\"113039.761 1/4113941.851 1/2114541.822\"1156.541 7671/71171.5NTT