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英制普通螺纹规格表 [复制链接]

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关键词：普通螺纹惠氏螺纹螺纹

英制普通螺纹 (惠氏螺纹) -- 小螺纹系列 (BA)
名义尺寸	牙型代号	大径	螺距	每英寸牙数	中径	小径	牙型高	底孔直径
BA		mm	mm	tpi	mm	外螺纹	H1	mm
		d=D	p		d2=D2	d3
No. 14	BA	1	0.23	110.4	0.86	0.72	0.14	0.75
No. 13	BA	1.2	0.25	101.6	1.05	0.9	0.15	0.95
No. 12	BA	1.3	0.28	90.71	1.13	0.96	0.17	1
No. 11	BA	1.5	0.31	81.93	1.315	1.13	0.185	1.2
No. 10	BA	1.7	0.35	72.57	1.49	1.28	0.21	1.35
No. 9	BA	1.9	0.39	65.12	1.665	1.43	0.235	1.5
No. 8	BA	2.2	0.43	59.07	1.94	1.68	0.26	1.8
No. 7	BA	2.5	0.48	52.92	2.21	1.92	0.29	2
No. 6	BA	2.8	0.53	47.92	2.48	2.16	0.32	2.3
No. 5	BA	3.2	0.59	43.05	2.845	2.49	0.355	2.6
No. 4	BA	3.6	0.66	38.48	3.205	2.81	0.395	2.95
No. 3	BA	4.1	0.73	34.79	3.66	3.22	0.44	3.4
No. 2	BA	4.7	0.81	31.35	4.215	3.73	0.485	3.9
No. 1	BA	5.3	0.9	28.22	4.76	4.22	0.54	4.4
No. 0	BA	6	1	25.4	5.4	4.8	0.6	5


55°圆锥管螺纹型式和尺寸

										（2006-03-13 14:38:47 ）
螺纹代号	基本尺寸	大径	螺距	每英寸牙数	中径	小径	牙型高度	圆弧尺寸	底孔尺寸
	英寸	mm	mm	tpi	mm	外螺纹	H1	r	mm
		d=D	p		d2=D2	d3
R 1/16	1/16＂	7.723	0.907	28	7.142	6.561	0.581	0.125	6.4
R 1/8	1/8＂	9.728	0.907	28	9.147	8.566	0.581	0.125	8.4
R 1/4	1/4＂	13.157	1.337	19	12.301	11.445	0.856	0.184	11.2
R 3/8	3/8＂	16.662	1.337	19	15.806	14.95	0.856	0.184	14.75
R 1/2	1/2＂	20.955	1.814	14	19.793	18.631	1.162	0.249	18.25
R 3/4	3/4＂	26.441	1.814	14	25.279	24.117	1.162	0.249	23.75
R 1	1＂	33.249	2.309	11	31.77	30.291	1.479	0.317	30
R 1 1/4	1 1/4＂	41.91	2.309	11	40.431	38.952	1.479	0.317	38.5
R 1 1/2	1 1/2＂	47.803	2.309	11	46.324	44.845	1.479	0.317	44.5
R 2	2＂	59.614	2.309	11	58.135	56.656	1.479	0.317	56
R 2 1/2	2 1/2＂	75.184	2.309	11	73.705	72.226	1.479	0.317	71
R 3	3＂	87.884	2.309	11	86.405	84.926	1.479	0.317	85.5
R 4	4＂	113.03	2.309	11	111.551	110.072	1.479	0.317	110.5
R 5	5＂	138.43	2.309	11	136.951	135.472	1.479	0.317	136
R 6	6＂	163.83	2.309	11	162.351	160.872	1.479	0.317	161.5


制惠氏螺纹的型式尺寸
英制普通螺纹 (惠氏螺纹) -- 粗牙 (BSW)
名义尺寸	牙型代号	大径	螺距	每英寸牙数	中径	小径	牙型高	底孔直径
Ww		mm	mm	tpi	mm	外螺纹	H1	mm
		d=D	p		d2=D2	d3
1/16＂	BSW	1.587	0.423	60	1.315	1.05	0.27	1.15
3/32＂	BSW	2.381	0.529	48	2.041	1.703	0.338	1.9
1/8＂	BSW	3.175	0.635	40	2.768	2.362	0.406	2.5
5/32＂	BSW	3.969	0.793	32	3.459	2.952	0.507	3.2
3/16＂	BSW	4.762	1.058	24	4.084	3.407	0.677	3.7
7/32＂	BSW	5.556	1.058	24	4.878	4.201	0.677	4.5
1/4＂	BSW	6.35	1.27	20	5.537	4.724	0.813	5.1
5/16＂	BSW	7.938	1.411	18	7.034	6.131	0.904	6.5
3/8＂	BSW	9.525	1.588	16	8.509	7.492	1.017	7.9
7/16＂	BSW	11.113	1.814	14	9.951	8.789	1.162	9.2
1/2＂	BSW	12.7	2.117	12	11.345	9.99	1.355	10.4
5/8＂	BSW	15.876	2.309	11	14.397	12.918	1.479	13.4
3/4＂	BSW	19.051	2.54	10	17.424	15.798	1.627	16.25
7/8＂	BSW	22.226	2.822	9	20.419	18.611	1.807	19.25
1＂	BSW	25.4	3.175	8	23.368	21.335	2.033	22
1 1/8＂	BSW	28.576	3.629	7	26.253	23.929	2.324	24.5
1 1/4＂	BSW	31.751	3.629	7	29.428	27.104	2.324	27.25
1 3/8＂	BSW	34.926	4.233	6	32.215	29.505	2.711	30.25
1 1/2＂	BSW	38.1	4.233	6	35.391	32.68	2.711	33.5
1 5/8＂	BSW	41.277	5.08	5	38.024	34.771	3.253	35.5
1 3/4＂	BSW	44.452	5.08	5	41.199	37.946	3.253	38.5
1 7/8＂	BSW	47.627	5.645	4 1/2	44.012	40.398	3.614	41.25
2＂	BSW	50.802	5.645	4 1/2	47.187	43.573	3.614	44.5
2 1/4＂	BSW	57.152	6.35	4	53.086	49.02	4.066	50
2 1/2＂	BSW	63.502	6.35	4	59.436	55.37	4.066	56
2 3/4＂	BSW	69.853	7.257	3 1/2	65.205	60.558	4.647	61.5
3＂	BSW	76.203	7.257	3 1/2	71.556	66.909	4.647	68
3 1/4＂	BSW	82.553	7.816	3 1/4	77.548	72.544	5.005	73.75
3 1/2＂	BSW	88.903	7.816	3 1/4	83.899	78.894	5.005	80
3 3/4＂	BSW	95.254	8.467	3	89.832	84.41	5.422	85.5
4＂	BSW	101.604	8.467	3	96.182	90.76	5.422	92
4 1/4＂	BSW	107.954	8.835	2 7/8	102.297	96.639	5.657	98
4 1/2＂	BSW	114.304	8.835	2 7/8	108.647	102.99	5.657	104.2
4 3/4＂	BSW	120.665	9.237	2 3/4	114.74	108.625	5.915	110
5＂	BSW	127.005	9.237	2 3/4	121.09	115.176	5.915	116.5
5 1/4＂	BSW	133.355	9.677	2 5/8	127.159	120.963	6.196	122.5
5 1/2＂	BSW	139.705	9.677	2 5/8	133.509	127.313	6.196	128.5
5 3/4＂	BSW	146.055	10.16	2 1/2	139.549	133.043	6.506	134.5
6＂	BSW	152.406	10.16	2 1/2	145.9	139.394	6.506	141


英制普通螺纹 -- 细牙 -- BSF

英制普通螺纹 (惠氏螺纹) -- 细牙 (BSW)
名义尺寸	牙型代号	大径	螺距	每英寸牙数	中径	小径	牙型高	底孔直径
BSF		mm	mm	tpi	mm	外螺纹	H1	mm
		d=D	p		d2=D2	d3
3/16	BSF	4.763	0.794	32	4.255	3.747	0.508	4
7/32	BSF	5.556	0.907	28	4.975	4.394	0.581	4.6
1/4	BSF	6.35	0.977	26	5.725	5.1	0.625	5.3
9/32	BSF	7.142	0.977	26	6.518	5.893	0.625	6.1
5/16	BSF	7.938	1.156	22	7.199	6.459	0.739	6.8
3/8	BSF	9.525	1.27	20	8.712	7.899	0.813	8.3
7/16	BSF	11.113	1.411	18	10.209	9.304	0.904	9.7
1/2	BSF	12.7	1.588	16	11.684	10.668	1.017	11.1
9/16	BSF	14.288	1.588	16	13.272	12.256	1.017	12.7
5/8	BSF	15.875	1.814	14	14.712	13.549	1.162	14
11/16	BSF	17.463	1.814	14	16.3	15.137	1.162	15.5
3/4	BSF	19.05	2.117	12	17.693	16.336	1.355	16.75
13/16	BSF	20.638	2.117	12	19.281	17.924	1.355	18.25
7/8	BSF	22.225	2.309	11	20.747	19.269	1.479	19.75
1.00	BSF	25.4	2.54	10	23.774	22.148	1.627	22.75
1 1/8	BSF	28.575	2.822	9	26.769	24.963	1.807	26.5
1 1/4	BSF	31.75	2.822	9	29.944	28.138	1.807	28.75
1 3/8	BSF	34.925	3.175	8	32.893	30.861	2.033	31.5
1 1/2	BSF	38.1	3.175	8	36.068	34.036	2.033	34.5
1 5/8	BSF	41.275	3.175	8	39.243	37.211	2.033	38
1 3/4	BSF	44.45	3.629	7	42.126	39.802	2.324	40.5
2	BSF	50.8	3.629	7	48.476	46.152	2.324	47
2 1/4	BSF	57.15	4.234	6	54.44	51.73	2.711	53
2 1/2	BSF	63.5	4.234	6	60.79	58.08	2.711	59
2 3/4	BSF	69.85	4.234	6	67.14	64.43	2.711	-
3	BSF	76.2	5.08	5	72.946	69.692	3.253	-
3 1/4	BSF	82.55	5.08	5	79.296	76.042	3.253	-
3 1/2	BSF	88.9	5.645	4 1/2	85.285	81.67	3.614	-
3 3/4	BSF	95.25	5.645	4 1/2	91.635	88.02	3.614	-
4	BSF	101.6	5.645	4 1/2	97.985	94.37	3.614	-
4 1/4	BSF	107.95	6.35	4	103.886	99.822	4.066	-

55°圆柱管螺纹的型式和尺寸
BrITish Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF)
螺纹代号	基本尺寸	大径	螺距	每英寸牙数	中径	小径	牙型高度	底孔尺寸
		mm	mm	tpi	mm	外螺纹	H1	mm
		d=D	p		d2=D2	d3
G 1/8	1/8＂	9.728	0.907	28	9.147	8.566	0.581	8.7
G 1/4	1/4＂	13.157	1.337	19	12.301	11.445	0.856	11.6
G 3/8	3/8＂	16.662	1.337	19	15.806	14.95	0.856	15
G 1/2	1/2＂	20.955	1.814	14	19.793	18.631	1.162	19
G 5/8	5/8＂	22.911	1.814	14	21.749	20.587	1.162	20.75
G 3/4	3/4＂	26.441	1.814	14	25.279	24.117	1.162	24.5
G 7/8	7/8＂	30.201	1.814	14	29.039	27.877	1.162	28
G 1	1＂	33.249	2.309	11	31.77	30.291	1.479	30.5
G 1 1/8	1 1/8＂	37.897	2.309	11	36.418	34.939	1.479	35
G 1 1/4	1 1/4＂	41.91	2.309	11	40.431	38.952	1.479	39.5
G 1 3/8	1 3/8＂	44.323	2.309	11	42.844	41.365	1.479	41.5
G 1 1/2	1 1/2＂	47.803	2.309	11	46.324	44.845	1.479	45
G 1 3/4	1 3/4＂	53.746	2.309	11	52.267	50.788	1.479	51
G 2	2＂	59.614	2.309	11	58.135	56.656	1.479	57
G 2 1/4	2 1/4＂	65.71	2.309	11	64.231	62.752	1.479	63
G 2 1/2	2 1/2＂	75.184	2.309	11	73.705	72.226	1.479	72.5
G 2 3/4	2 3/4＂	81.534	2.309	11	80.055	78.576	1.479	79
G 3	3＂	87.884	2.309	11	86.405	84.926	1.479	85.5
G 3 1/4	3 1/4＂	93.98	2.309	11	92.501	91.022	1.479	91
G 3 1/2	3 1/2＂	100.33	2.309	11	98.351	97.372	1.479	97.75
G 3 3/4	3 3/4＂	106.68	2.309	11	105.201	103.722	1.479	104
G 4	4＂	113.03	2.309	11	111.55	110.072	1.479	110.5
G 4 1/2	4 1/2＂	125.73	2.309	11	124.251	122.772	1.479	123
G 5	5＂	138.43	2.309	11	136.951	135.472	1.479	136
G 5 1/2	5 1/2＂	151.13	2.309	11	149.651	148.172	1.479	148.5
G 6	6＂	163.83	2.309	11	162.351	160.872	1.479	161.5