螺纹护套规格及钻孔尺寸表_单位
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螺纹护套規格及钻孔尺寸表单位：mm
公称螺纹攻牙及钻孔尺寸螺纹护套长度（圈数±1/4圈）
公制粗牙最小最大适用钻头1D 1.5D2D 2.5D3D M3*0.5 3.12 3.2 3.1465/891/4117/8141/2 M4*0.7 4.17 4.3 4.237/863/887/8113/8137/8 M5*0.8 5.16 5.33 5.243/871/897/8125/8151/2 M6*1.0 6.25 6.42 6.341/471/810127/8153/4 M7*1.07.257.427.351/285/8113/4141/8171/4 M8*1.258.318.528.445/873/8101/4131/816 M10*1.510.3710.6210.558111417 M12*1.7512.4312.7312.5581/4113/8141/2173/4 M14*2.014.4914.8314.551/481/2113/415183/8 M16*2.016.4916.8316.561/897/8131/2171/421 M18*2.518.5819.041955/89121/2155/819 M20*2.520.5821.042163/8101/814173/8211/8 M22*2.522.5823.042371/8111/4151/219231/8公制細牙最小最大适用钻头1D 1.5D2D 2.5D3D M8*1.08.258.428.3695/8131/8161/2201/8 M10*1.010.2510.4210.377/8123/81721251/2 M10*1.2510.3110.5210.457/891/2131/8163/4203/8 M12*1.2512.3112.5212.473/8115/816201/4241/2
M12*1.512.3712.6212.5691/2131/817203/4 M14*1.514.3714.6214.57111/8153/820241/4 M16*1.516.3716.6216.581/2133/8181/8223/4275/8 M18*1.518.3718.6218.593/4151/8205/8257/8313/8 M20*1.520.3720.6220.5103/8161/822287/835美英制粗
最小最大适用钻头1D 1.5D2D 2.5D3D 牙
U#4*40 2.95 3.07323/443/463/487/8107/8 U#5*40 3.25 3.38 3.331/451/273/410121/4 U#6*32 3.66 3.81 3.723/443/467/887/8107/8 U#8*32 4.32 4.47 4.431/2683/8103/4131/4 U#10*24 5.05 5.21 5.127/8571/891/4113/4 U1/4*20 6.63 6.78 6.733/853/48103/8123/4 U5/16*188.338.488.4465/891/4117/8145/8 U3/8*169.9110.111043/871/410127/8153/4 U7/16*1411.5111.7611.641/273/8101/4131/8161/8 U1/2*1313.0813.3413.247/877/811141/8171/8 U9/16*1214.6814.9414.851/881/4111/2143/4177/8 U5/8*1116.5916.8416.751/481/2113/415183/8 U3/4*1019.8420.092057/893/813161/2201/8 U7/8*923.0123.272361/410133/4171/2211/4
美英制細
最小最大适用钻头1D 1.5D2D 2.5D3D 牙
U#8*36 4.32 4.44 4.437/861/291/8115/8141/4 U#10*32 4.98 5.13541/867/891/2121/4147/8 U1/4*28 6.53 6.71 6.6581/4113/8141/2175/8 U5/16*248.28.388.351/287/8121/4155/819 U3/8*249.789.969.867/81115191/8231/8 U7/16*2011.4311.6311.565/8105/8145/8181/2221/2 U1/2*2013.0313.2613.177/8123/8167/8213/8257/8 U5/8*1816.2616.4816.39141/8191/4241/4293/8 U3/4*1619.4319.6819.593/4151/8205/826311/2