常用公英制丝锥尺寸钻头推荐

1、1.公制粗牙螺纹JIS B 0209-1982(单位：mm）2.公制细牙螺纹-01螺纹尺寸钻头直径螺纹下孔径内螺纹小径螺纹尺寸最小直径最大直径M 1.0X 0.250.750.78(80%)0.7290.785M 2.5M 1.1X 0.250.850.88(80%)0.8290.885M 3.0M 1.2X 0.250.950.98(80%)0.9290.985M 3.5M 1.4X 0.31.11.14(80%)1.0751.142M 4.0M 1.6X 0.351.251.32(75%)1.2210.321M 4.5M 1.8X 0.351.451.52(75%)1.4210.521M

2、5.0M 2.0X 0.41.61.65(80%)1.5671.679M 5.5M 2.2X 0.451.751.83(75%)1.7131.838M 6.0M 2.5X 0.452.052.13(75%)2.0132.138M 7.0M 3.0X 0.52.52.59(75%)2.4592.599M 8.0M 3.5X 0.62.93.01(75%)2.853.01M 8.0M 4.0X 0.73.33.39(80%)3.2423.422M 9.0M 4.5X 0.753.753.85(80%)3.6883.878M 9.0M 5.0X 0.84.24.31(80%)4.1344.334M

3、10.0M 6.0X 155.13(80%)4.9175.153M 10.0M 7.0X 166.13(80%)5.9176.153M 10.0M 8.0X 1.256.756.85(85%)6.6476.912M 11.0M 9.0X 1.257.757.85(85%)7.6477.912M 11.0M 10.0 X 1.58.58.62(85%)8.3768.676M 12.0M 11.0 X 1.59.59.62(85%)9.3769.676M 12.0M 12.0 X 1.7510.2510.4(85%)10.10610.441M 12.0M 14.0 X 21212.2(85%)11

4、.83512.21M 14.0M 16.0 X 21414.2(85%)13.83514.21M 14.0M 18.0 X 2.515.515.7(85%)15.29415.744M 15.0M 20.0 X 2.517.517.7(85%)17.29417.744M 15.0M 22.0 X 2.519.519.2(85%)19.29419.744M 16.0M 24.0 X 32121.2(85%)20.75221.252M 16.0M 27.0 X 32424.2(85%)23.75224.252M 17.0M 30.0 X 3.526.526.6(90%)26.21126.771M 1

5、7.0M 33.0 X 3.529.529.6(90%)29.21129.771M 18.0M 36.0 X 43232.1(90%)31.6732.27M 18.0M 39.0 X 43535.1(90%)34.6735.27M 18.0M 42.0 X 4.537.537.6(90%)37.12937.799M 20.0M 45.0 X 4.540.540.6(90%)40.12940.799M 20.0M 48.0 X 54343.1(90%)42.58743.297M 20.0注：M1.4以下等级：5H、M1.6以上等级：6H注：等级：6H2.公制细牙螺纹-01JIS B 0209-1

6、982(单位：mm）2.公制细牙螺纹-01螺纹尺寸钻头直径螺纹下孔径内螺纹小径螺纹尺寸最小直径最大直径M 22.0 X 22020.2（85%）19.83520.21M 40.0M 22.0 X 1.520.520.62（85%）20.37620.676M 42.0M 22.0 X 12121.13（80%）20.91721.153M 42.0M 24.0 X 22222.2（85%）21.83522.21M 42.0M 24.0 X 1.522.522.62（85%）22.37622.676M 42.0M 24.0 X 12323.13（80%）22.91723.153M 45.0M 25.

7、0 X 22323.2（85%）22.83523.21M 45.0M 25.0 X 1.523.523.62（85%）23.37623.676M 45.0M 25.0 X 12424.13（80%）23.91724.153M 45.0M 26.0 X 1.524.524.62（85%）24.37624.676M 48.0M 27.0 X 22525.2（85%）24.83525.21M 48.0M 27.0 X 1.525.525.62（85%）25.37625.676M 48.0M 27.0 X 12626.13（80%）25.91726.153M 48.0M 28.0 X 22626.2（

8、85%）25.83526.21M 50.0M 28.0 X 1.526.526.62（85%）26.37626.676M 50.0M 28.0 X 12727.13（80%）26.91727.153M 50.0M 30.0 X 32727.2（85%）26.75227.252注：等级：6HM 30.0 X 22828.2（85%）27.83528.21M 30.0 X 1.528.528.62（85%）28.37628.676M 30.0 X 12929.13（80%）28.91729.153M 32.0 X 23030.2（85%）29.83530.21M 32.0 X 1.530.530.

9、62（85%）30.37630.676M 33.0 X 33030.2（85%）29.75230.252M 33.0 X 23131.2（85%）30.83531.21M 33.0 X 1.531.531.62（85%）31.37631.676M 35.0 X 1.533.533.62（85%）33.37633.676M 36.0 X 33333.2（85%）32.75233.252M 36.0 X 23434.2（85%）33.83534.21M 36.0 X 1.534.534.62（85%）34.37634.676M 38.0 X 1.536.536.62（85%）36.37636.67

10、6M 39.0 X 33636.2（85%）35.75236.252M 39.0 X 23737.2（85%）36.83537.21M 39.0 X 1.537.537.62（85%）37.37637.676M 40.0 X 33737.2（85%）36.75237.252M 40.0 X 23838.2（85%）37.83538.21注：等级：6H3.美制粗牙螺纹(单位：mm）4.美制细牙螺纹螺纹尺寸钻头直径螺纹下孔径内螺纹小径螺纹尺寸最小直径最大直径NO.1-64UNC1.551.57(65%)1.4251.582NO.0-80UNF2-561.81.86(65%)1.6951.8711-

11、723-482.12.14(65%)1.9412.1462-644-402.32.36(70%)2.1572.3853-565-402.62.69(70%)2.4872.6974-486-322.82.86(75%)2.6422.8955-448-323.43.52(75%)3.3023.536-4010-243.93.91(80%)3.6833.9628-3612-244.54.57(80%)4.3444.59710-321/4-205.15.25(80%)4.9795.25712-285/16-186.66.72(80%)6.4016.7311/4-283/8-1688.15(80%)7.

12、7988.1535/16-247/16-149.49.5(80%)9.1449.553/8-241/2-1310.811(80%)10.59211.0237/16-209/16-1212.212.3(85%)11.98912.4461/2-205/8-1113.613.8(85%)13.38613.8689/16-183/4-1016.516.8(80%)16.30716.845/8-187/8-919.519.6(85%)19.17719.7613/4-161-822.222.5(85%)21.97122.6067/8-141 1/8-72525.2(85%)24.63825.3491-12

13、1 1/4-728.228.4(85%)27.81328.5241 1/8-121 3/8-630.831(85%)30.35331.1151 1/4-121 1/2-63434.2(85%)33.52834.291 3/8-121 3/4-539.539.8(85%)38.96439.8271 1/2-122-445.245.3(90%)44.679螺纹尺寸钻头直径螺纹下孔径螺纹尺寸JIS B 0209-1982(单位：mm）钻头直径螺纹下孔径内螺纹小径最小直径最大直径X 0.352.152.22（75%）2.1212.221X 0.352.652.72（75%）2.6212.721X 0.

14、353.153.22（75%）3.1213.221X 0.53.53.59（75%）3.4593.599X 0.544.09（75%）3.9594.099X 0.54.54.59（75%）4.4594.599X 0.555.09（75%）4.9595.099X 0.755.255.35（75%）5.1885.378X 0.756.256.35（80%）6.1886.378X 177.13（80%）6.9177.153X 0.757.257.35（80%）7.1887.378X 188.13（80%）7.9178.153X 0.758.258.35（80%）8.1888.378X 1.258.7

15、58.85（85%）8.6478.912X 199.13（80%）8.9179.153X 0.759.259.35（80%）9.1889.378X 11010.13（80%）9.91710.153X 0.7510.2510.35（80%）10.18810.378X 1.510.510.62（85%）10.37610.676X 1.2510.7510.85（85%）10.64710.912X 11111.13（80%）10.91711.153X 1.512.512.62（85%）12.37612.676X 11313.13（85%）12.91713.153X 1.513.513.62（85%）1

16、3.37613.676X 11414.13（80%）13.91714.153X 1.514.514.62（85%）14.37614.676X 11515.13（80%）14.91715.153X 1.515.515.62（85%）15.37615.676X 11616.13（80%）15.91716.153X 21616.2（85%）15.83516.21X 1.516.516.62（85%）16.37616.676X 11717.13（80%）16.91717.153X 21818.2（85%）17.83518.21X 1.518.518.62（85%）18.37618.676X 11919

17、.13（80%）18.91719.153JIS B 0209-1982(单位：mm）2.公制细牙螺纹-01螺纹尺寸注：等级：6H2.公制细牙螺纹-01钻头直径螺纹下孔径内螺纹小径最小直径最大直径X 1.538.538.62（85%）38.37638.676X 43838.1（90%）37.6739.252X 33939.2（85%）38.75240.21X 24040.2（85%）39.83540.676X 1.540.540.62（85%）40.37641.27X 44141.1（90%）40.6742.252X 34242.2（85%）41.75243.21X 24343.2（85%）42

18、.83543.676X 1.543.543.62（85%）43.37644.27X 44444.1（90%）43.6745.252X 34545.2（85%）44.75246.21X 24646.2（85%）45.83546.676X 1.546.546.62（85%）46.37646.676X 34747.2（85%）46.75247.252X 24848.2（85%）47.83548.21X 1.548.548.62（85%）48.37648.676(单位：mm）钻头直径螺纹下孔径内螺纹小径螺纹尺寸注：等级：6H4.美制细牙螺纹螺纹尺寸最小直径最大直径1.251.30(65%)1.1821

19、.3051.551.61(65%)1.4741.6121.851.90(65%)1.7561.9122.12.17(70%)2.0252.1972.42.44(70%)2.2712.4582.72.74(70%)2.5512.742.93.02(70%)2.823.0223.53.59(75%)3.4043.6064.14.14(80%)3.9634.1654.64.70(80%)4.4964.7245.55.56(80%)5.365.5886.97.02(80%)6.7827.0358.58.61(80%)8.3828.6369.910.01(80%)9.72910.03311.511.6(

20、80%)11.32911.60712.913.07(80%)12.75113.08114.514.65(80%)14.35114.68117.517.59(85%)17.32317.67820.520.6(85%)20.2720.67523.223.5(85%)23.11423.57126.526.7(80%)26.28926.74629.529.9(80%)29.46429.92132.833.0(85%)32.63933.0963636.2(85%)35.81436.271螺纹尺寸NO.0-80UNF1-722-643-564-485-446-408-3610-3212-281/4-285

21、/16-243/8-247/16-201/2-209/16-185/8-183/4-167/8-141-121 1/8-121 1/4-121 3/8-121 1/2-12钻头直径螺纹下孔径5.英制粗牙螺纹(单位：mm）螺纹尺寸下孔径嵌合率A列（硬材质）B列（软材质）A列直径B列直径内螺纹最小径内螺纹最大径W 1/82.62.570.7837088.33/163.73.678.485.87088.31/45.1576.98370.588.35/166.66.57499.570.188.43/887.9758069.588.27/169.49.373.7806988.81/210.710.573.881.26988.29/1612.31273.484.46988.25/813.713.573.580.369.688.53/416.716.572.378.469.688.37/819.519.375.480.970.188.4122.42273.883.67188.21 1/82524.876.981.37288.41 1/428.32874.380.77288.41 3/830.530.381.685.373.888.61 1/233.833.579.384.873.888.61 5/83635.7