丝锥用底孔钻头直径表
(螺纹牙型高度为75%时的推荐钻头尺寸)
(螺纹牙型高度为75%时的推荐钻头尺寸)
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新浪博客
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| .0700 | |||
| 2-64UNF | #50 | - | .0700 |
| 3-48UNC | #47 | 5/64' | .0785 |
| 3-56UNF | #45 | - | .0820 |
| 4-36UNS | #44 | - | .0860 |
| 4-40UNC | #43 | 3/32' | .0890 |
| 4-48UNF | #42 | 3/32' | .0935 |
| M3×0.60 | 2.5mm | - | .0984 |
| 1/8-40UNS | #38 | - | .1015 |
| 5-40UNC | #38 | - | .1015 |
| 5-44UNF | #37 | - | .1040 |
| 6-32UNC | #35 | 7/64' | .1100 |
| 6-36UNS | #34 | - | .1110 |
| 6-40UNF | #33 | - | .1130 |
| 6-48UNS | #31 | - | .1200 |
| M4×0.70 | 3.4mm | - | .1338 |
| M4×0.75 | 3.4mm | - | .1338 |
| 8-32UNC | #29 | - | .1360 |
| 8-36UNF | #29 | 9/64' | .1360 |
| 8-40UNS | #28 | - | .1405 |
| 3/16'-24UNS | #26 | - | .1470 |
| 10-24UNC | #25 | 5/32' | .1495 |
| 3/16'-32UNS | #22 | - | .1570 |
| 10-32UNF | #21 | 5/32' | .1590 |
| M5×0.90 | 4.2mm | - | .1653 |
| M5×0.80 | 4.3mm | - | .1693 |
| 12-24UNC | #16 | 11/64' | .1770 |
| 12-28UNF | #14 | 3/16' | .1820 |
| 12-32NEF | #13 | - | .1850 |
| 14-20UNS | #10 | - | .1935 |
| 1/4'-20UNC | #7 | 13/64' | .2010 |
| 14-24UNS | #7 | - | .2010 |
| M6×1.00 | 5.2mm | - | .2047 |
| 1/4'-24UNS | #4 | - | .2090 |
| 1/4'-28UNF | #3 | 7/32' | .2130 |
| 1/4'-32NEF | 7/32' | 7/32' | .2188 |
| 1/4'-40UNS | #1 | - | .2280 |
| M7×1.00 | 6.1mm | 15/64' | .2401 |
| 5/16'-18UNC | 字母F | 17/64' | .2570 |
| M8×1.25 | 6.9mm | 17/64' | .2716 |
| 5/16'-24UNF | 字母I | - | .2720 |
| M8×1.00 | 7.1mm | - | .2795 |
| 5/16'-32NEF | 9/32' | 9/32' | .2812 |
| M9×1.2 | 7.9mm | - | .3110 |
| 3/8'-16UNC | 5/16' | 5/16' | .3125 |
| M9×0.75 | 8.3mm | - | .3268 |
| M9×1.00 | 8.1mm | - | .3189 |
| *该螺纹仅用于火花塞 |
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