准备攻丝的螺纹 钻头规格代码 (最接近的英制分数规格) 英制小数规格
0-80UNF 3/64" 3/64" 0.0469
1-64UNC #53 - 0.0595
1-72UNF #53 1/16" 0.0595
2-56UNC #50 - 0.07
2-64UNF #50 - 0.07
3-48UNC #47 5/64" 0.0785
3-56UNF #45 - 0.082
4-36UNS #44 - 0.086
4-40UNC #43 3/32" 0.089
4-48UNF #42 3/32" 0.0935
M3×0.60 2.5mm - 0.0984
1/8-40UNS #38 - 0.1015
5-40UNC #38 - 0.1015
5-44UNF #37 - 0.104
6-32UNC #35 7/64" 0.11
6-36UNS #34 - 0.111
6-40UNF #33 - 0.113
6-48UNS #31 - 0.12
M4×0.70 3.4mm - 0.1338
M4×0.75 3.4mm - 0.1338
8-32UNC #29 - 0.136
8-36UNF #29 9/64" 0.136
8-40UNS #28 - 0.1405
3/16"-24UNS #26 - 0.147
10-24UNC #25 5/32" 0.1495
3/16"-32UNS #22 - 0.157
10-32UNF #21 5/32" 0.159
M5×0.90 4.2mm - 0.1653
M5×0.80 4.3mm - 0.1693
12-24UNC #16 11/64" 0.177
12-28UNF #14 3/16" 0.182
12-32NEF #13 - 0.185
14-20UNS #10 - 0.1935
1/4"-20UNC #7 13/64" 0.201
14-24UNS #7 - 0.201
M6×1.00 5.2mm - 0.2047
1/4"-24UNS #4 - 0.209
1/4"-28UNF #3 7/32" 0.213
1/4"-32NEF 7/32" 7/32" 0.2188
1/4"-40UNS #1 - 0.228
M7×1.00 6.1mm 15/64" 0.2401
5/16"-18UNC 字母F 17/64" 0.257
M8×1.25 6.9mm 17/64" 0.2716
5/16"-24UNF 字母I - 0.272
M8×1.00 7.1mm - 0.2795
5/16"-32NEF 9/32" 9/32" 0.2812
M9×1.2 7.9mm - 0.311
3/8"-16UNC 5/16" 5/16" 0.3125
M9×0.75 8.3mm - 0.3268
M9×1.00 8.1mm - 0.3189
准备攻丝的螺纹 钻头规格代码 (最接近的英制分数规格) 英制小数规格
3/8"-24UNF 字母Q 21/64" 0.332
M10×1.50 8.7mm - 0.3425
M10×1.25 8.9mm 11/32" 0.3503
M10×1.00* 9.1mm - 0.3583
7/16"-14UNC 字母U 23/64" 0.368
M11×1.50 9.7mm - 0.3818
7/16"-20UNF 25/64" 25/64" 0.3906
M12×1.75 10.5mm - 0.4133
M12×1.50 10.7mm 27/64" 0.4212
1/2"-13UNC 27/64" 27/64" 0.4219
M12×1.25* 10.9mm 27/64" 0.4291
1/2"-20UNF 29/64" 29/64" 0.4531
1/2"-24UNS 29/64" 29/64" 0.4531
M14×2.00 12.2mm - 0.4803
9/16"-12UNC 31/64" 31/64" 0.4844
M14×1.50 12.7mm - 0.4999
M14×1.25* 12.8mm - 0.5039
9/16"-18UNF 33/64" 33/64" 0.5156
5/8"-11UNC 17/32" 17/32" 0.5312
M16×2.00 14.2mm 35/64" 0.559
5/8"-18UNF 37/64" 37/64" 0.5781
M16×1.50 14.7mm - 0.5787
11/16"-11UNS 19/32" 19/32" 0.5938
M18×2.50 15.8mm 39/64" 0.522
11/16"-16UNS 5/8" 5/8" 0.625
3/4"-10UNC 21/32" 21/32" 0.6562
M18×1.50* 16.8mm - 0.6614
3/4"-16UNF 11/16" 11/16" 0.6875
M20×2.50 17.8mm 11/16" 0.7008
7/8"-9UNC 49/64" 49/64" 0.7656
7/8"-14UNF 13/16" 13/16" 0.8125
M22×1.50 20.9mm - 0.8228
7/8"-18UNS* 53/64" 53/64" 0.8281
M24×3.00 21.4mm 53/64" 0.8425
1"-8UNC 7/8" 7/8" 0.875
M24×2.00 22.3mm - 0.8779
1"-12UNF 59/64" 59/64" 0.9219
1"-14UNS 15/16" 15/16" 0.9375
11/8"-7 UNC 63/64" 63/64" 0.9844
11/8"-12 UNF 13/64" 13/64" 1.0469
11/4"-7 UNC 17/64" 17/64" 1.1094
11/4"-12 UNF 111/64" 111/64" 1.1719
13/8"-6 UNC 17/32" 17/32" 1.2188
13/8"-12 UNF 119/64" 119/64" 1.2969
11/2"-6 UNC 111/32" 111/32" 1.3438
11/2"-12 UNF 127/64" 127/64" 1.4219
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准备攻丝的螺纹 钻头规格代码 (最接近的英制分数规格) 英制小数规格
1/8"-27NPT 字母R - 0.339
1/4"-18NPT 7/16" 7/16" 0.4375
3/8"-18NPT 37/64" 37/64" 0.5781
1/2"-14NPT 45/64" 45/64" 0.7031
3/4"-14NPT 59/64" 59/64" 0.9219
1"-11½ NPT 15/32" 15/32" 1.1562
1¼"-11 ½ NPT 1½" 1½" 1.5
1½"-11 ½ NPT 147/64" 147/64" 1.7344
2"-11½ NPT 27/32" 27/32" 2.2188
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发表于 2007-3-5 12:42
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