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普通螺紋搓制和滾制前的毛坯直徑 GB /T 18685 - 2017

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普通螺紋搓制和滾制前的毛坯直徑

螺紋

M 1

M 1.1

M 1.2

M 1.4

M 1.6

M 1.8

M 2

M 2.2

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

0.25	0.2	0.25	0.2	0.25	0.2	0.3	0.2	0.35	0.2	0.35	0.2	0.4	0.25	0.45
0.833	0.864	0.933	0.963	1.032	1.063	1.199	1.262	1.366	1.462	1.565	1.661	1.733	1.829	1.901
0.817	0.849	0.916	0.948	1.015	1.048	1.182	1.247	1.348	1.445	1.547	1.645	1.714	1.810	1.881
0.830	0.864	0.930	0.963	1.029	1.063	1.196	1.262	1.363	1.462	1.562	1.661	1.730	1.826	1.898
0.798	0.831	0.897	0.931	0.996	1.030	1.162	1.229	1.325	1.427	1.524	1.627	1.689	1.790	1.855
0.813	0.847	0.912	0.946	1.011	1.046	1.178	1.245	1.345	1.445	1.543	1.645	1.711	1.808	1.878
0.780	0.814	0.879	0.914	0.978	1.013	1.144	1.212	1.307	1.410	1.505	1.610	1.670	1.772	1.835
-	-	-	-	-	-	-	-	1.330	-	1.528	-	1.696	-	1.863
-	-	-	-	-	-	-	-	1.292	-	1.490	-	1.655	-	1.820
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

螺紋

M 2.2

M 2.5

M 3

M 3.5

M 4

M 4.5

M 5

M 6

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

0.25	0.45	0.35	0.5	0.35	0.6	0.35	0.7	0.5	0.75	0.5	0.8	0.5	1	0.75
2.029	2.199	2.263	2.665	2.762	3.098	3.260	3.539	3.666	4.006	4.165	4.472	4.664	5.344	5.501
2.010	2.179	2.245	2.644	2.742	3.078	3.241	3.513	3.642	3.981	4.141	4.445	4.640	5.312	5.471
2.026	2.196	2.260	2.662	2.759	3.092	3.257	3.528	3.658	3.996	4.157	4.461	4.657	5.328	5.490
1.990	2.154	2.222	2.617	2.717	3.046	3.216	3.479	3.615	3.948	4.114	4.410	4.613	5.271	5.434
2.008	2.177	2.241	2.642	2.740	3.071	3.238	3.507	3.638	3.974	4.137	4.437	4.637	5.303	5.468
1.972	2.134	2.203	2.597	2.698	3.025	3.197	3.457	3.595	3.926	4.094	4.387	4.593	5.245	5.412
-	2.162	2.226	2.626	2.725	3.056	3.223	3.491	3.622	3.958	4.121	4.423	4.621	5.289	5.452
-	2.119	2.188	2.581	2.683	3.010	3.182	3.441	3.579	3.910	4.078	4.373	4.577	5.231	5.396
-	-	-	2.612	-	3.040	-	3.473	3.608	3.940	4.107	4.401	4.607	5.269	5.434
-	-	-	2.567	-	2.993	-	3.423	3.565	3.892	4.064	4.351	4.563	5.211	5.378

螺紋

M 7

M 8

M 10

M 12

M 14

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

1	0.75	1.25	1	0.75	1.5	1.25	1	0.75	1.75	1.5	1.25	1	2	1.5
6.341	6.499	7.184	7.338	7.498	9.016	9.179	9.335	9.497	10.846	11.011	11.170	11.333	12.689	13.008
6.309	6.469	7.152	7.307	7.468	8.986	9.147	9.304	9.466	10.818	10.976	11.134	11.298	12.659	12.973
6.325	6.488	7.166	7.323	7.487	8.994	9.161	9.320	9.485	10.822	10.990	11.150	11.318	12.663	12.986
6.268	6.432	7.109	7.266	7.431	8.939	9.104	9.263	9.429	10.764	10.926	11.087	11.255	12.599	12.923
6.300	6.466	7.138	7.297	7.465	8.962	9.133	9.294	9.463	10.789	10.958	11.122	11.292	12.625	12.954
6.242	6.410	7.081	7.240	7.409	8.907	9.076	9.237	9.407	10.730	10.894	11.059	11.229	12.561	12.891
6.286	6.450	7.124	7.283	7.449	8.949	9.120	9.280	9.447	10.775	10.945	11.108	11.278	12.611	12.941
6.228	6.394	7.067	7.226	7.393	8.894	9.062	9.223	9.391	10.716	10.881	11.045	11.215	12.547	12.878
6.266	6.432	7.103	7.263	7.431	8.927	9.099	9.260	9.429	10.752	10.923	11.087	11.258	12.592	12.920
6.208	6.376	7.046	7.206	7.375	8.872	9.041	9.203	9.373	10.693	10.859	11.024	11.195	12.528	12.856

螺紋

M 14

M 16

M 18

M 20

M 22

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

1	2	1.5	1	2.5	2	1.5	1	2.5	2	1.5	1	2.5	2	1.5
13.332	14.685	15.006	15.331	16.364	16.681	17.004	17.330	18.359	18.679	19.003	19.330	20.356	20.677	20.997
13.297	14.655	14.970	15.296	16.339	16.651	16.969	17.295	18.335	18.649	18.967	19.294	20.332	20.647	20.966
13.317	14.658	14.984	15.316	16.324	16.655	16.982	17.315	18.320	18.652	18.981	19.315	20.316	20.650	20.974
13.254	14.595	14.920	15.253	16.276	16.591	16.919	17.252	18.271	18.589	18.917	19.251	20.268	20.587	20.916
13.291	14.620	14.952	15.290	16.282	16.617	16.950	17.289	18.278	18.614	18.949	19.289	20.274	20.612	20.942
13.228	14.557	14.889	15.227	16.234	16.553	16.887	17.226	18.229	18.551	18.885	19.225	20.226	20.549	20.884
13.277	14.606	14.939	15.276	16.266	16.603	16.937	17.275	18.262	18.600	18.936	19.275	20.258	20.598	20.929
13.214	14.543	14.876	15.213	16.218	16.539	16.874	17.212	18.213	18.537	18.872	19.211	20.210	20.535	20.871
13.257	14.587	14.917	15.256	16.244	16.584	16.915	17.255	18.240	18.581	18.914	19.255	20.236	20.579	20.907
13.194	14.524	14.854	15.193	16.196	16.520	16.852	17.192	18.192	18.518	18.850	19.191	20.188	20.516	20.849

螺紋

M 22

M 24

M 27

M 30

M 33

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

1	3	2	1.5	1	3	2	1.5	1	3.5	2	1.5	1	3.5	2
21.329	22.030	22.675	22.996	23.329	25.025	25.673	25.995	26.328	27.711	28.671	28.994	29.328	30.707	31.670
21.294	22.003	22.639	22.960	23.288	24.998	25.637	25.959	26.288	27.681	28.635	28.958	29.287	30.677	31.634
21.314	21.995	22.649	22.973	23.314	24.990	25.647	25.971	26.313	27.656	28.645	28.971	29.313	30.651	31.644
21.251	21.928	22.575	22.905	23.243	24.924	25.573	25.904	26.243	27.601	28.571	28.903	29.242	30.597	31.570
21.288	21.947	22.611	22.941	23.288	24.942	25.609	25.939	26.287	27.603	28.607	28.939	29.287	30.598	31.606
21.225	21.881	22.537	22.873	23.217	24.876	25.535	25.872	26.217	27.548	28.533	28.871	29.216	30.544	31.532
21.274	21.932	22.597	22.928	23.274	24.927	25.595	25.926	26.273	27.586	28.593	28.926	29.273	30.581	31.592
21.211	21.866	22.523	22.860	23.203	24.861	25.521	25.859	26.203	27.531	28.519	28.858	29.202	30.527	31.518
21.254	21.910	22.578	22.906	23.254	24.905	25.576	25.904	26.253	27.566	28.574	28.904	29.253	30.561	31.573
21.191	21.844	22.504	22.838	23.183	24.839	25.502	25.837	26.183	27.511	28.500	28.836	29.182	30.507	31.499

螺紋

M 33

M 36

M 39

M 42

M 45

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

1.5	4	3	2	1.5	4	3	2	1.5	4	3	2	1.5	4	3
31.994	33.386	34.016	34.669	34.993	36.382	37.014	37.668	37.993	39.379	40.012	40.667	40.992	42.376	43.010
31.957	33.358	33.989	34.633	34.957	36.354	36.987	37.632	37.956	39.351	39.985	40.631	40.956	42.348	42.983
31.970	33.326	33.980	34.642	34.969	36.322	36.978	37.642	37.969	39.319	39.976	40.641	40.968	42.316	42.975
31.902	33.274	33.914	34.569	34.902	36.270	36.912	37.568	37.901	39.267	39.910	40.567	40.901	42.264	42.908
31.938	33.266	33.932	34.605	34.937	36.262	36.930	37.604	37.937	39.259	39.928	40.603	40.936	42.256	42.927
31.870	33.214	33.866	34.531	34.870	36.210	36.864	37.530	37.869	39.207	39.862	40.529	40.869	42.204	42.860
31.925	33.251	33.917	34.591	34.924	36.247	36.915	37.590	37.924	39.244	39.913	40.589	40.923	42.241	42.912
31.857	33.199	33.851	34.517	34.857	36.195	36.849	37.516	37.856	39.192	39.847	40.515	40.856	42.189	42.845
31.903	33.231	33.895	34.572	34.902	36.227	36.893	37.571	37.902	39.224	39.891	40.570	40.901	42.221	42.890
31.835	33.179	33.829	34.498	34.835	36.175	36.827	37.497	37.834	39.172	39.825	40.496	40.834	42.169	42.823

螺紋

M 45

M 48

M 52

螺距
材料	4h	最大值
		最小值
	6h	最大值
		最小值
	6g	最大值
		最小值
	6f	最大值
		最小值
	6e	最大值
		最小值

2	1.5	4	3	2	1.5	4	3	2	1.5
43.666	43.992	45.373'	46.001	46.666	46.991	49.370'	49.999	50.665	50.991
43.630	43.955	45.335	45.975	46.624	46.950	49.332	49.973	50.623	50.950
43.640	43.968	45.313	45.967	46.640	46.968	49.310	49.965	50.639	50.967
43.566	43.900	45.249	45.895	46.556	46.890	49.247	49.893	50.555	50.890
43.602	43.936	45.253	45.919	46.602	46.936	49.250	49.917	50.601	50.935
43.528	43.868	45.189	45.847	46.518	46.858	49.187	49.845	50.517	50.858
43.588	43.923	45.238	45.904	46.588	46.923	49.235	49.902	50.587	50.922
43.514	43.855	45.174	45.832	46.504	46.845	49.172	49.830	50.503	50.845
43.569	43.901	45.218	45.882	46.569	46.901	49.215	49.880	50.568	50.900
43.495	43.833	45.154	45.810	46.485	46.823	49.152	49.808	50.484	50.823

來源：GB 18685-2017

引用參考 (3)

GB /T 3098.25 - 2020

緊固件機械性能不銹鋼和鎳合金緊固件選用指南

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍鎘、復合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

非合金鋼和低合金鋼和鑄鋼的硬度值轉換表

注：技術數(shù)據(jù)僅供參考，請以官方原件為準！

標準編號 / Standard Code： GB /T 18685 - 2017
中文名稱 / Chinese Name： 普通螺紋搓制和滾制前的毛坯直徑
英文名稱 / English Name： The blank diameters for rolling general purpose metric screw threads
數(shù)據(jù)來源 / Data Source： 易緊通 YJT Fastener Database（164580.com）
中文頁面 / Chinese Page： 查看中文頁面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: GB /T 18685 - 2017
Chinese Name: 普通螺紋搓制和滾制前的毛坯直徑
English Name: The blank diameters for rolling general purpose metric screw threads
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.