超全螺纹攻牙钻孔直径和滚造直径对照表

时间：2019-01-28 23:38:00 来源：

公制粗螺纹
规格	标准径	2级牙钻孔径
规格	标准径	最大	最小
M1.0×0.25	0.75	0.785	0.729
M1.1×0.25	0.85	0.885	0.829
M1.2×0.25	0.95	0.985	0.929
M1.4×0.3	1.10	1.142	1.075
M1.6×0.35	1.25	1.321	1.221
M1.7×0.35	1.35	1.421	1.321
M1.8×0.35	1.45	1.521	1.421
M2.0×0.4	1.60	1.679	1.567
M2.2×0.45	1.75	1.838	1.713
M2.3×0.4	1.90	1.979	1.867
M2.5×0.45	2.10	2.138	2.013
M2.6×0.45	2.20	2.238	2.113
M3.0×0.5	2.50	2.599	2.459
M3.0×0.6	2.40	2.44	2.280
M3.5×0.6	2.90	3.010	2.850
M4.0×0.7	3.30	3.422	3.242
M4.0×0.75	3.25	3.326	3.106
M4.5×0.75	3.80	3.878	3.688
M5.0×0.8	4.20	4.334	4.134
M5.0×0.9	4.10	4.170	3.930
M6.0×1.0	5.00	5.153	4.917
M7.0×1.0	6.00	6.153	5.917
M8.0×1.25	6.80	6.912	6.647
M9.0×1.25	7.80	7.912	7.647
M10×1.5	8.50	8.676	8.376
M11×1.5	9.50	9.676	9.376
M12×1.75	10.30	10.441	10.106
M14×2.0	12.00	12.210	11.735
M16×2.0	14.00	14.210	13.835
M18×2.5	15.50	15.744	15.294
M20×2.5	17.50	17.744	17.294
M22×2.5	19.50	19.744	19.294
M24×3.0	21.00	21.252	2.752
M27×3.0	24.00	24.252	23.752
M30×3.5	26.50	26.771	26.211

公制细螺纹
规格	标准径	2级牙钻孔径
规格	标准径	最大	最小
M1.0×0.2	0.80	0.821	0.783
M1.1×0.2	0.90	0.921	0.883
M1.2×0.2	1.00	1.021	0.983
M1.4×0.2	1.20	1.221	0.183
M1.6×0.2	1.40	1.421	1.383
M1.7×0.2	1.45	1.500	1.460
M1.8×0.2	1.60	1.621	1.583
M2.0×0.25	1.75	1.785	1.729
M2.2×0.25	1.95	1.985	1.929
M2.3×0.25	2.05	2.061	2.001
M2.5×0.35	2.20	2.221	2.121
M2.6×0.35	2.20	2.246	2.186
M3.0×0.35	2.70	2.721	2.621
M3.5×0.35	3.20	3.221	3.121
M4.0×0.5	3.50	3.599	3.459
M4.5×0.5	4.00	4.099	3.959
M5×0.5	4.50	4.599	4.459
M5.5×0.5	5.00	5.099	4.959
M6.0×0.75	5.30	5.378	5.188
M6.0×0.5	5.50	5.550	5.400
M7.0×0.75	6.30	6.378	61.88
M7.0×0.5	6.50	6.550	64.00
M8.0×1.0	7.00	7.153	6.917
M8.0×0.75	7.30	7.378	7.188
M8×0.5	7.50	7.520	7.400
M9×1.0	8.00	8.153	7.917
M9×0.75	8.30	8.378	8.188
M10×1.25	8.80	8.912	8.647
M10×1.0	9.00	9.153	8.917
M10×0.75	9.30	9.378	9.188
M10×0.5	9.50	9.520	9.400
M11×1.0	10.00	10.153	9.917
M11×0.75	10.30	10.378	10.188
M11×1.5	10.50	10.676	10.376
M12×1.25	10.80	10.912	10.647

公制细螺纹
规格	标准径	2级牙钻孔径
规格	标准径	最大	最小
M12×1.0	11.00	11.153	10.917
M12×0.5	11.50	11.520	11.4
M14×1.5	12.50	12.676	12.376
M14×1.0	13.00	13.153	12.917
M15×1.5	13.50	13.676	13.376
M15×1.0	14.00	14.153	13.917
M16×1.5	14.50	14.676	14.376
M16×1.0	15.00	15.153	14.917
M17×1.5	15.50	15.676	15.376
M17×1.0	16.00	16.153	15.917
M18×2.0	16.00	16.210	15.835
M18×1.5	16.50	16.670	16.376
M18×1.0	17.00	17.153	16.917
M20×2.0	18.00	18.210	17.835
M20×1.5	18.50	18.676	18.376
M20×1.0	19.00	19.153	18.917
M20×2.0	20.00	20.210	19.835
M22×1.5	20.50	20.676	20.376
M22×1.0	21.00	21.153	20.917
M24×2.0	22.00	22.210	21.835
M24×1.5	22.50	22.676	22.376
M24×1.0	23.00	23.153	22.917
M25×2.0	23.00	23.210	22.835
M25×1.5	23.50	23.676	23.376
M25×1.0	24.00	24.153	23.917
M26×1.5	24.50	24.676	24.376
M27×2.0	25.00	25.210	24.835
M27×1.5	25.50	25.676	25.376
M27×1.0	26.00	26.153	25.917
M28×2.0	26.00	26.210	25.835
M28×1.5	26.50	26.676	26.376
M28×1.0	27.00	27.153	26.917
M30×3.0	27.00	27.252	26.752
M30×2.0	28.00	28.210	27.835
M30×1.5	28.50	28.676	28.376
M30×1.0	29.00	29.153	28.917
M32×2.0	30.00	30.210	29.835
M32×1.5	30.50	30.676	30.376
M33×3.0	30.00	30.252	29.752
M33×2.0	31.00	31.210	30.835
M33×1.5	31.50	31.376	31.376
M35×1.5	33.50	33.676	33.376
M36×3.0	33.00	33.252	32.752
M36×2.0	34.00	34.210	33.835
M36×1.5	34.50	34.676	34.376

美制细螺纹
规格(UNF)	标准径	2级牙钻孔径
规格(UNF)	标准径	最大	最小
番数牙外径
NO.0-80(1.524)	1.25	1.305	1.182
NO.1-72(1.854)	1.55	1.612	1.474
NO.2-64(2.184)	1.85	1.912	1.756
NO.3-56(2.515)	2.10	2.197	2.025
NO.4-48(2.845)	2.40	2.458	2.271
NO.5-44(3.175)	2.70	2.740	2.551
NO.6-40(3.505)	2.90	3.022	2.820
NO.8-36(4.166)	3.50	3.606	3.404
NO.10-32(4.826)	4.10	4.165	3.963
NO.12-28(5.846)	4.60	4.724	4.496
1/4 -28	5.50	5.588	5.360
5/16 -24	6.90	7.035	6.782
3/8 -24	8.50	8.636	8.382
7/16 -20	9.90	10.033	9.729
1/2 -20	11.50	11.607	11.329
9/16 -18	12.90	13.081	12.751
5/8 -18	14.50	14.681	14.351
3/4 -16	17.50	14.678	17.323
7/8 -14	20.50	20.675	20.270
1 -12	23.20	23.571	23.114
1-1/8 -12	26.50	26.746	26.289
1-1/4 -12	29.50	29.921	29.464
1-3/8 -12	32.80	33.096	32.464
1-1/2 -12	36.00	36.270	35.814

无屑丝攻钻孔径
规格	精度等级
规格	RH4.5.6	RH7.8	RH9
M1.0×0.25	0.86	0.88	-
M1.1×0.25	0.96	0.98	-
M1.2×0.25	1.06	1.08	-
M1.4×0.3	1.24	1.25	-
M1.6×0.35	1.41	1.43	-
M1.7×0.35	1.51	1.53	-
M1.8×0.35	1.61	1.63	-
M2.0×0.4	1.78	1.80	-
M2.2×0.45	1.95	1.98	-
M2.3×0.4	2.08	2.10	-
M2.5×0.45	2.25	2.28	-
M2.6×0.45	2.35	1.38	-
M3.0×0.5	2.73	2.75	-
M3.0×0.6	3.17	3.20	-
M4.0×0.7	3.62	3.65	3.69
M5.0×0.8	4.56	4.60	4.64
M6.0×1.0	5.45	5.50	5.55
M7.0×1.0	6.45	6.50	6.55
M8.0×1.25	7.31	7.38	7.44
M10×1.5	9.18	9.25	9.32
M10×1.25	9.31	9.38	9.44
M12×1.75	11.04	11.12	11.21
M12×1.25	11.31	11.38	11.44
注:无槽丝攻之钻孔径,在上表所列之数值,由于被加工材料之材质、硬度、形状、尺寸等之影响,多少会有所变动，因此参考上表之同时,亦请增减若干.

美制管螺纹
规格(UNEF)	标准径	2级牙钻孔径
规格(UNEF)	标准径	最大	最小
NO.12 -32	4.70	4.826	4.623
1/4 -32	5.60	5.690	5.486
5/16 -32	7.10	7.264	7.087
3/8 -32	8.70	8.865	8.661
7/16 -28	10.20	10.338	10.135
1/2 -28	11.80	11.938	11.709
9/16 -28	13.20	13.386	13.132
5/8 -24	14.80	14.986	14.732
3/4 -20	17.80	17.958	17.678
7/8 -20	21.00	21.133	20.853
1 -20	24.00	24.308	24.028


美制粗螺纹
规格(UNC)	标准径	2级牙钻孔径
番数牙外径	标准径	最大	最小
NO.1-64(1.854)	1.55	1.582	1.425
NO.2-56(2.184)	1.80	1.871	1.695
NO.3-48(2.515)	2.10	2.146	1.941
NO.4-40(2.845)	2.30	2.385	2.157
NO.5-40(3.175)	2.60	2.697	2.487
NO.6-32(3.505)	2.80	2.895	2.642
NO.8-32(4.166)	3.40	3.530	3.302
NO.10-24(4.826)	3.90	3.962	3.682
NO.12-24(5.846)	4.50	4.597	4.344
1/4 -20	5.10	5.257	4.979
5/16 -18	6.60	6.731	6.401
3/8 -16	8.00	8.153	7.987
7/16 -14	9.40	9.500	9.144
1/2 -13	10.80	11.023	10.592
9/16 -12	12.20	12.446	11.989
5/8 -11	13.60	12.868	13.386
3/4 -10	16.20	16.840	16.307
7/8 -9	19.50	19.761	19.177
1 -8	22.20	22.606	21.971
1-1/8 -7	25.00	25.349	24.638
1-1/4 -7	28.20	28.524	27.813
1-3/8 -6	30.80	31.115	30.353
1-1/2 -6	34.00	34.290	33.528
1-3/4 -5	39.50	39.827	38.964
2 -4-1/2	45.20	45.593	44.679

英制螺纹
规格			钻孔径
			硬材		软材
W1/8 - 40			2.65		2.60
W5/32 - 32			3.25		3.20
W3/16 - 24			3.75		3.70
W1/4 - 20			5.10		5.00
W5/16 - 18			6.60		6.50
W3/8 - 16			8.00		7.90
W7/16 - 14			9.40		9.30
W1/2 - 12			10.70		10.50
W9/16 - 12			12.30		12.00
W5/8 - 11			13.70		13.50
W3/4 - 10			16.70		16.50
W7/8 - 9			19.50		19.30
W1 - 8			22.40		22.00
W1-1/8 - 7			25.00		24.80
W1-1/4 - 7			28.30		28.00


英制管螺纹



规格		标准径		钻孔径
				最大	最小
PS1/16 -28		6.50		6.632	6.490
PS1/8 -28		8.50		8.637	8.495
PS1/4 - 19		11.40		11.549	11.341
PS3/8 - 19		15.00		15.054	14.846
PS1/2 - 14		18.50		18.773	18.489
PS3/4 - 14		24.00		24.259	23.975
PS1 - 11		30.20		30.471	30.111
PS1-1/4 -11		38.80		39.132	38.772
PS1-1/2 -11		44.80		45.025	44.665
PS2 - 11		56.50		56.836	56.476

英制管螺纹


规格	标准径			有效牙部之长度(最小)中之母螺牙内径	标准长度(最小)中之母螺牙内径
	使用绞刀时	不用绞刀时
PT1/16 -28	6.10	6.2		6.244	6.384
PT1/8 -28	8.10	8.2		8.249	8.388
PT1/4 -19	10.70	11		10.962	11.174
PT3/8 -19	14.20	14.5		14.448	14.658
PT1/2 -14	17.60	18		17.979	18.263
PT3/4 -14	23.00	23.5		23.378	23.663
Pt1 -11	29.00	29.5		29.459	29.822
PT1-1/4 -11	37.50	38		37.976	38.339
PT1-1/2 -11	43.40	44		43.869	44.232
Pt2 -11	54.90	55.5		55.412	55.844

美制螺纹滚造径


规格		钻孔径
		NPT			NPS
		使用绞刀时		不用绞刀时
1/16 -27		6.1		6.25	6.35
1/8 -27		8.33		8.43	8.74
1/4 -18		10.72		11.13	11.13
3/8 -18		14.27		14.27	14.68
1/2 -14		17.48		17.86	18.26
3/4 -14		22.63		23.01	23.42
1 -11-1/2		28.58		28.98	29.36
1-1/4-11-1/2		37.31		37.69	38.1
1-1/2-11-1/2		43.66		44.04	44.45
2 -11-1/2		55.58		55.96	56.36

英制螺纹滚造径



规格			滚造径
W 3/16 - 24			4.08 - 4.05
W 1/4 - 20			5.51 - 5.46
W 5/16 - 18			7.01 - 6.95
W 3/8 - 16			8.48 - 8.41
W 7/16 - 14			9.92 - 9.85
W 1/2 - 12			11.31 - 11.24
W 9/16 -12			12.89 - 12.82

公制螺纹

规格	滚造径

M3.0×0.5	2.63 2.60
M3.0×0.6	2.56 2.53
M3.5×0.6	3.06 3.03
M4.0×0.7	3.49 3.45
M4.0×0.75	3.45 3.41
M4.5×0.75	3.96 3.92
M5.0×0.8	4.43 4.38
M5.0×0.9	4.36 4.31
M6.0×1.0	5.30 5.25
M7.0×1.0	6.30 6.25
M8.0×1.0	7.28 - 7.23
M8.0×1.25	7.12 - 7.07
M9.0×1.25	8.12 - 8.07
M10×1.25	9.10 - 9.04
M10×1.5	8.97 - 8.91
M11×1.5	9.97 - 9.91
M12×1.5	10.92 - 10.87
M12×1.75	10.79 - 10.73
M14×2.0	12.63 - 12.56
M16×2.0	14.63 - 14.56
M18×2.5	16.31 - 16.23
M20×2.5	18.31 - 18.23
M22×2.5	20.31 - 20.23

针车用螺纹


规格(UNC)	滚造径
SM 1/8 40	2.735 -2.688
SM 1/8 44	2.769 -2.722
SM 9/64 40	3.128 -3.083
SM 11/64 40	3.855 -3.805
SM 3/16 32	4.205 -4.155
SM 3/16 28	4.143 -4.093
SM 7/32 32	5.003 -4.955
SM 15/64 28	5.325 -4.955
SM 1/4 40	5.890 -5.735
SM 1/4 28	5.721 -5.366
SM 9/32 28	6.528 -6.648
SM 11/32 28	8.092 -8.432
SM 3/8 29	8.880 -8.015
SM 7/16 30	10.466 -10.401
SM 7/16 16	10.037 -9.967
SM 1/2 20	11.819 -11.749
SM 9/16 20	13.400 -13.425

美制粗螺纹


规格(UNC)	滚造径
NO.5-40	2.70 - 2.67
NO.6-32	2.95 - 2.91
NO.8-32	3.60 - 3.57
NO.10-24	4.09 - 4.05
NO.12-24	4.75 - 4.70
1/4 -20	5.50 - 5.45
5/16 -18	6.98 - 6.93
3/8 -16	8.45 - 8.40
7/16 -14	9.89 - 9.83
1/2 -13	11.39 - 11.32
9/16 -12	12.87 - 12.80

美制细螺纹


规格(UNF)	滚造径
NO.5-44	2.73 - 2.70
NO.6-40	3.05 - 3.02
NO.8-36	3.66 - 3.63
NO.10-32	4.26 - 4.80
NO.12-28	4.84 - 4.80
1/4 -28	5.72 - 5.68
5/16 -24	7.20 - 7.16
3/8 -24	8.79 - 8.74
7/16 -20	10.23 - 10.18
1/2 -20	11.82 - 11.76

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