钻头规格尺寸.docx

1-1.各种规格钻头尺寸

分数钻头尺寸分数钻头尺寸分数钻头尺寸字母钻头尺寸1/64″0.0156″0.3968mm25/64″0.3906″9.9218mm49/64″0.7656″19.446mmA0.2340″5.9436mm1/32″0.0312″0.7937mm13/32″0.4063″10.318mm25/32″0.7812″19.843mmB0.2380″6.0452mm3/64″0.0469″1.1906mm27/64″0.4219″10.715mm51/64″0.7969″20.240mmC0.2420″6.1468mm1/16″0.0625″1.5875mm7/16″0.4375″11.112mm13/16″0.8125″20.637mmD0.2460″6.2484mm5/64″0.0781″1.9843mm29/64″0.4531″11.509mm53/64″0.8281″21.034mmE0.2500″6.35mm3/32″0.0938″2.3812mm15/32″0.4688″11.906mm27/32″0.8438″21.431mmF0.2570″6.5278mm7/64″0.1094″2.7781mm31/64″0.4844″12.303mm55/64″0.8594″21.828mmG0.2610″6.6294mm1/8″0.1250″3.1750mm1/2″0.5″12.700mm7/8″0.875″22.225mmH0.2660″6.7564mm9/64″0.1406″3.5718mm33/64″0.5156″13.096mm57/64″0.8906″22.621mmI0.2720″6.9088mm5/32″0.1562″3.9687mm17/32″0.5312″13.493mm29/32″0.9062″23.018mmJ0.2770″7.0358mm11/64″0.17194.3656mm35/64″0.5469″13.890mm59/64″0.9219″23.415mmK0.2810″7.1374mm3/16″0.1875″4.7625mm9/16″0.5625″14.287mm15/16″0.9375″23.812mmL0.2900″7.366mm13/64″0.2031″5.1593mm37/64″0.5781″14.684mm61/64″0.9531″24.209mmM0.2950″7.493mm7/32″0.2188″5.5562mm19/32″0.5938″15.081mm31/32″0.9688″24.606mmN0.3020″7.6708mm15/64″0.2344″5.9531mm39/64″0.6094″15.478mm63/64″0.9844″25.003mmO0.3160″8.0264mm1/4″0.2500″6.3500mm5/8″0.625″15.875mm1″1″25.400mmP0.3230″8.2042mm17/64″0.2656″6.7468mm41/64″0.6406″16.271mmQ0.3320″8.4328mm9/32″0.2813″7.1437mm21/32″0.6562″16.668mmR0.3390″8.6106mm19/64″0.2969″7.5406mm43/64″0.6719″17.065mmS0.3480″8.8392mm5/16″0.3125″7.9375mm11/16″0.6875″17.462mmT0.3580″9.0932mm21/64″0.3281″8.3343mm45/64″0.7031″17.859mmU0.3680″9.3472mm11/32″0.3437″8.7312mm23/32″0.7187″18.256mmV0.3770″9.5758mm23/64″0.3594″9.1281mm47/64″0.7344″18.653mmW0.3860″9.8044mm3/8″0.375″9.5250mm3/4″0.75″19.050mmX0.3970″10.0838mmY0.4040″10.2616mmZ0.4130″10.4902mm

1-2.各种规格钻头尺寸

号码钻头尺寸号码钻头尺寸号码钻头尺寸号码钻头尺寸1#0.2280″5.7912mm21#0.1590″4.0386mm41#0.0960″2.4384mm61#0.0390″0.9906mm2#0.2210″5.6134mm22#0.1570″3.9878mm42#0.0935″2.3749mm62#0.0380″0.9652mm3#0.2130″5.4102mm23#0.1540″3.9116mm43#0.0890″2.2606mm63#0.0370″0.