钻螺纹孔用钻头直径尺寸表
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公称直径公称直径每寸牙数外径尺寸公称直径每寸牙数外径尺寸d公称每寸(")nd(")nd粗牙0.250.75粗牙320.9直径牙数3/16244.7621/8289.729细牙0.20.8221.9(")n1/4206.351/41913.158粗牙0.41.61.522.53/16243.73.75/16187.9383/81916.663细牙0.251.751231/42055.13/8169.5251/21420.956粗牙0.52.5粗牙323.95/16186.46.51/21212.75/81422.912细牙0.352.65224.93/8167.87.95/81115.8753/41426.442粗牙0.73.31.525.57/16149.19.33/41019.057/81430.202细牙0.53.51261/21210.410.57/8922.22511133.25粗牙0.84.2粗牙3.526.39/16121212.11825.41 1/81137.898细牙0.54.5326.95/81113.313.51 1/8728.5751 1/41141.912粗牙15227.93/41016.316.41 1/4731.751 3/81144.325细牙0.755.21.528.57/8919.1191 1/2638.11 1/21147.805粗牙1.256.71291821.9221 3/4544.451 3/41153.74817粗牙3.529.31 1/8724.624.724 1/250.821159.6160.757.2329.91 1/4727.827.92 1/4457.152 1/41165.712粗牙1.58.5230.91 1/2633.433.52 1/2463.52 1/21175.1871.258.71.531.51 3/8535.735.82 3/43 1/269.852 3/41181.53719粗牙431.81 3/4538.93933 1/276.231183.8870.759.2332.91 7/84 1/241.441.53 1/43 1/482.553 1/211100.334粗牙1.7410.2233.924 1/244.644.73 1/23 1/488.9411113.0341.510.51.534.53 3/4395.25511138.4351.2510.7粗牙434.843101.6611163.836111335.9粗牙211.9236.91.512.51.537.51.2512.7粗牙4.537.3288.8锥度锥角斜角大头尺寸锥度斜角113437.81911.7K2ααDvα粗牙213.9338.91915.21:2000°17’11”0°8’36”09.0451:19.2121°29’27”1.514.5239.91418.91:1000°34’23”0°17’11”112.0651:20.0471°25’43”1151.540.51420.81:501°8’45”0°34’23”217.7801:20.0201°25’50”粗牙2.515.4粗牙4.540.31424.31:2031°8’46”0°8’39”11:2031:20.0490°8’39”215.9440.91428.11:301°54’35”0°57’17”323.5281:19.9221°26’18”1.516.5341.91130.51:202°51’51”1°25’56”431.2671:19.2541°29’15”117242.91135.21:163°34’48”1°47’24”544.3991:19.0021°30’26”粗牙2.517.41.543.51139.21:153°49’6”1°54’33”663.3481:19.1801°29’36”217.9粗牙542.71141.61:124°46’19”2°23’9”大头尺寸锥度斜角1.518.5443.81145.11:105°43’29”2°51’45”Dvα119344.911511:87°9’10”3°34’35”80801:201°25’56”粗牙2.519.4245.911571:78°10’16”4°5’8”1001001:201°25’56”219.91.548.51:511°25’16”5°42’38”1201201:201°25’56”1.520.5粗牙546.71:318°55’29”9°27’44”1601601:201°25’56”121细牙7:2416°35’32”8°17’46”2002001:201°25’56”英制螺纹外径尺寸表圆柱管螺纹外径尺寸表
公制摘自《机械零件手册》常用标准锥度表常用工具锥度表莫氏1 3/81 1/21 3/4细牙钻头直径Φ
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管螺纹钻底孔用钻头直径尺寸表公称直径(")每寸牙数n钻头直径Φ1/8细牙细牙细牙细牙细牙从略5230333639424548公称直径d2427
20细牙12细牙14细牙856
22细牙16细牙18细牙12细牙细牙细牙细牙10细牙34