GOST 22038-76 Studs with Threaded End of Length 2d, Product Grade B

Studs with Threaded End of Length 2d

Product Grade B

Design and dimensions

GOST 22038-76

State Committee of the USSR for Standards

Moscow

State Standard of the Union of Soviet Socialist Republics

Studs with threaded end of length 2d. Product grade B. Construction and dimensions. Studs with threaded end of 2d. Product grade B. Construction and dimensions	GOST 22038-76* Supersedes GOST 11765-66 with respect to the length of the threaded end l₁=2d

By Resolution of the State Committee for Standards of the Council of Ministers of the USSR dated August 13, 1976 No. 1934, the effective date was established

from 01.07.78

Reviewed in 1983. By Resolution of Gosstandart dated 14.04.83 No. 1760, the validity period was extended

until 01.01.89

• Reissue (June 1987) with Amendments No. 1, 2, 3,

approved in December 1978, June 1980, April 1983;

Resolution No. 1758 dated 14.04.83 (IUS 2-79, 8-80, 7-83)

Amendment No. 4 to GOST 22038-76 Studs with threaded end of length 2d. Product grade B. Construction and dimensions

Approved and put into effect by Decree No. 1204 of the USSR State Committee for Standards dated 28.04.88

Effective date 01.01.89

Non-compliance with the standard is punishable by law

1. This standard applies to studs with a nominal thread diameter from 2 to 48 mm, manufactured with coarse-pitch thread on the nut end and the threaded end, with fine-pitch thread on the nut end and the threaded end, with fine-pitch thread on the threaded end and coarse-pitch thread on the nut end, with coarse-pitch thread on the threaded end and fine-pitch thread on the nut end.

2. The design and dimensions of studs shall conform to those shown in the drawing and in Tables 1, 2.

Type 1

Type 2

d₂ is approximately equal to the pitch diameter of the thread

Table 1

Nominal thread diameter d

2

2.5

3

4

5

6

8

10

12

(14)

16

(18)

20

(22)

24

(27)

30

36

42

48

Pitch P:

coarse

0.4

0.45

0.5

0.7

0.8

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

fine

1

1.25

1.5

2

3

Shank diameter d₁

2

2.5

3

4

5

6

8

10

12

14

16

18

20

22

24

27

30

36

42

48

Length of threaded end b₁

4

5

6

8

10

12

16

20

24

28

32

36

40

44

48

54

60

72

84

95

Note. Dimensions in parentheses are not recommended for use.

(Amended, Amendment No. 4).

mm

Stud length l	Length of nut-end thread b at nominal thread diameter d
	2	2.5	3	4	5	6	8	10	12	(14)	16	(18)	20	(22)	24	(27)	30	36	42	48
10	×	×	×	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
12	10	×	×	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
14	10	11	×	×	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
16	10	11	12	×	×	×	×	×	-	-	-	-	-	-	-	-	-	-	-	-
(18)	10	11	12	14	×	×	×	×	-	-	-	-	-	-	-	-	-	-	-	-
20	10	11	12	14	16	×	×	×	-	-	-	-	-	-	-	-	-	-	-	-
(22)	10	11	12	14	16	×	×	×	-	-	-	-	-	-	-	-	-	-	-	-
25	10	11	12	14	16	18	×	×	×	×	-	-	-	-	-	-	-	-	-	-
(28)	10	11	12	14	16	18	22	×	×	×	-	-	-	-	-	-	-	-	-	-
30	10	11	12	14	16	18	22	×	×	×	-	-	-	-	-	-	-	-	-	-
(32)	10	11	12	14	16	18	22	×	×	×	-	-	-	-	-	-	-	-	-	-
35	10	11	12	14	16	18	22	26	×	×	×	×	-	-	-	-	-	-	-	-
(38)	10	11	12	14	16	18	22	26	30	×	×	×	-	-	-	-	-	-	-	-
40	10	11	12	14	16	18	22	26	30	×	×	×	×	-	-	-	-	-	-	-
(42)	10	11	12	14	16	18	22	26	30	×	×	×	×	-	-	-	-	-	-	-
45	10	11	12	14	16	18	22	26	30	34	×	×	×	×	×	-	-	-	-	-
(48)	10	11	12	14	16	18	22	26	30	34	38	×	×	×	×	-	-	-	-	-
50	10	11	12	14	16	18	22	26	30	34	38	×	×	×	×	-	-	-	-	-
55	10	11	12	14	16	18	22	26	30	34	38	42	×	×	×	×	-	-	-	-
60	10	11	12	14	16	18	22	26	30	34	38	42	46	×	×	×	×	-	-	-
65	10	11	12	11	16	18	22	26	30	34	38	42	46	50	×	×	×	-	-	-
70	10	11	12	14	16	18	22	26	30	34	38	42	46	50	54	×	×	×	-	-
75	10	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	×	×	-	-
80	10	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	×	×	×	×
85	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	×	×	×
90	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	×	×	×
(95)	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	×	×
100	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	×	×
(105)	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	×	×
110	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	90	×
(115)	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	90	×
120	-	11	12	14	16	18	22	26	30	34	38	42	46	50	54	60	66	78	90	×
130	-	17	18	20	22	24	28	32	36	40	44	48	52	56	60	66	72	84	96	108
140	-	17	18	20	22	24	28	32	36	40	44	48	52	56	60	66	72	84	96	108
150	-	17	18	20	22	24	28	32	36	40	44	48	52	56	60	66	72	81	96	108
160	-	17	18	20	22	24	28	32	36	40	44	48	52	56	60	66	72	84	96	108
170	-	-	-	-	-	-	28	32	36	40	44	48	52	56	60	66	72	84	96	108
180	-	-	-	-	-	-	28	32	36	40	44	48	52	56	60	66	72	84	96	108
190	-	-	-	-	-	-	28	32	36	40	44	48	52	56	60	66	72	84	96	108
200	-	-	-	-	-	-	28	32	36	40	44	48	52	56	60	66	72	84	96	108
220	-	-	-	-	-	-	-	-	49	53	57	61	65	69	73	79	85	97	109	121
240	-	-	-	-	-	-	-	-	-	-	-	-	65	69	73	79	85	97	109	121
260	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	79	85	97	109	121
280	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	97	109	121
300	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	97	109	121

Notes:

1. Dimensions in parentheses are not recommended for use.

2. Studs with nut-end length b=l-0.5d-2P are marked with ×.

(Amended edition, Amendment No. 4)

Example of designation of a Design 1 stud with thread diameter d=16 mm, coarse pitch P=2 mm, tolerance class 6g, length l=120 mm, property class 5.8, without coating:

Stud M16 - 6g×120.58 GOST 22038-76

Same, version 2 with fine pitch P=1.5 mm, tolerance field 6g, property class 10.9, made of steel grade 40Kh, with coating 02, thickness 6 µm:

Stud 2 M16×1.5-6g×120.109.40X.026 GOST 22038-76

Same, with fine pitch P=1.5 mm, tolerance field 3p(2) on the threaded end, with coarse pitch P=2 mm, tolerance field 6g on the nut end, property class 6.6, with coating 05:

Stud M16××120.66.05 GOST 22038-76

(Revised edition, Amendment No. 1, No. 2, No. 4).

3. Thread — per GOST 24705-81.

3a. Thread runout dimensions — per GOST 27148-86.

3b. Dimensional tolerances, form and position deviations of surfaces, inspection methods — per GOST 1759.1-82.

3c. Surface defects and inspection methods for studs — per GOST 1759.2-82.

1–3. (Amended edition, Amendments No. 3, No. 4).

4. The surface of the smooth shank portion d₁ is not machined when studs are manufactured from calibrated bar stock.

5. (Deleted, Amendment No. 2).

6. By agreement between the manufacturer and the customer, it is permitted to manufacture:

a) (Deleted, Amendment No. 4).

b) interference-fit thread per GOST 4608-81 on the threaded end of the stud, with an indication of this in the stud designation; such studs should be marked on the end face of the nut end with Arabic numerals indicating the sorting group of the stud thread per GOST 4608-81.

(Amended edition, Amendment No. 3).

7. Technical requirements — per GOST 1759.0-87

(Amended, Amendment No. 4).

8. The theoretical mass of studs is given in Reference Appendices 1 and 2.

APPENDIX 1

For reference

Stud length l, mm	Theoretical mass of 100 pcs. steel studs, version 1, kg, with coarse-pitch thread, at nominal thread diameter d, mm
	2	2.5	3	4	5	6	8	10	12	(14)	16	(18)	20	(22)	24	(27)	30	36	42	48
10	0.273	0.468	0.729	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
12	0.323	0.545	0.840	-	-	-	-	-	-	-	-	-	-	-	-	-	—	-	-	-
14	0.360	0.596	0.916	1.769	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
16	0.409	0.674	1.016	1.945	3.339	5.123	10.50	18.54	-	-		-	-	-	-	-		-	-	-
(18)	0.459	0.751	1.127	2.100	3.586	5.476	11.13	19.54	-	-	-	-	-	-	-	-	-	-	-	-
20	0.508	0.828	1.238	2.297	3.834	5.829	11.77	20.55	-	-	-	-	-	-	-	-	-	-	-	-
(22)	0.557	0.905	1.349	2.495	4.142	6.273	12.56	21.78	-	-	-	-	-	-	-	-	-	-	-	-
25	0.631	1.020	1.515	2.791	4.604	6.848	13.59	23.40	36.77	54.21	-	-	-	-	-	-	-	-	-	-
(28)	0.705	1.136	1.682	3.086	5.067	7.514	14.62	25.02	39.11	57.41	-	-	-	-	-	-	-	-	-	-
30	0.754	1.213	1.793	3.284	5.375	7.957	15.26	26.03	40.57	59.40	-	-	-	-	-	-	-	-	-	-
(32)	0.804	1.290	1.904	3.481	5.683	8.401	16.05	27.03	42.02	61.33	-	-	-	-	-	-	-	-	-	-
35	0.878	1.405	2.070	3.777	6.146	9.067	17.23	28.65	44.37	64.58	91.49	120.5	-	-	-	-	-	-	-	-
(38)	0.952	1.521	2.237	4.073	6.608	9.733	18.42	30.50	46.72	67.78	95.73	125.8	-	-	-	-	-	-	-	-
40	1.001	1.598	2.348	4.270	6.916	10.180	19.21	31.74	48.16	69.77	98.40	129.1	170.4	-	-	-	-	-	-	-
(42)	1.050	1.675	2.459	4.468	7.225	10.620	20.00	32.97	49.94	71.76	101.10	132.4	174.6	-	-	-	-	-	-	-
45	1.124	1.791	2.652	4.763	7.687	11.290	21.18	34.82	52.60	74.96	105.30	137.7	181.2	232.5	284.9	-	-	-	-	-
(48)	1.198	1.907	2.792	5.059	8.150	11.950	22.26	36.67	55.27	78.58	109.10	142.3	187.0	239.7	293.3	-	-	-	-	-
50	1.248	1.984	2.903	5.257	8.458	12.400	23.15	37.90	57.04	81.00	112.20	146.3	192.0	245.7	300.4	-	-	-	-	-
55	1.371	2.176	3.180	5.750	9.228	13.510	25.13	40.98	61.48	87.04	120.10	154.9	202.8	258.9	316.0	429.9	-	-	-	-
60	1.494	2.369	3.458	6.243	9.999	14.620	27.10	44.07	65.92	93.08	128.00	164.9	213.6	272.2	331.5	449.8	580.1	-	-	-
65	1.618	2.562	3.735	6.736	10.770	15.730	29.07	47.15	70.35	99.12	135.90	174.9	225.9	285.4	347.1	469.8	604.6	-	-	-
70	1.741	2.754	4.012	7.230	11.540	16.840	31.04	50.23	74.80	105.20	143.80	184.9	238.2	300.3	362.6	489.8	629.1	994.6	-	-
75	1.864	2.947	4.289	7.723	12.310	17.940	33.02	53.32	79.24	111.20	151.70	191.9	250.6	315.2	380.4	508.5	652.0	1028.0	-	-
80	1.988	3.140	4.567	8.216	13.080	19.069	34.99	56.40	83.68	117.20	159.60	204.9	262.9	330.1	398.1	531.0	679.7	1068.0	1573	2198
85	-	3.332	4.845	8.709	13.850	20.160	36.96	59.48	88.12	123.30	167.40	214.9	275.2	345.1	415.9	553.4	702.6	1101.0	1619	2258
90	-	3.525	5.122	9.203	14.620	21.270	38.94	62.56	92.56	129.30	175.30	224.8	287.6	360.0	433.6	575.9	730.4	1134.0	1664	2318
(95)	-	3.718	5.400	9.696	15.39	22.38	40.91	65.65	96.99	135.4	183.2	234.8	299.9	374.9	451.4	598.4	758.1	1171	1714	2383
100	-	3.910	5.677	10.190	16.16	23.49	42.88	68.73	101.40	141.4	191.1	244.8	312.2	389.8	469.1	620.9	785.9	1208	1762	2445
(105)	-	4.103	5.954	10.680	16.94	24.60	44.86	71.81	105.90	147.5	199.0	254.8	324.5	404.7	486.9	643.3	813.6	1248	1809	2507
110	-	4.296	6.232	11.180	17.71	25.71	46.83	74.89	110.30	153.5	206.9	264.8	336.9	419.6	504.6	665.8	841.4	1287	1856	2568
(115)	-	4.488	6.509	11.670	18.48	26.82	48.80	77.98	114.80	159.5	214.8	274.8	349.2	434.6	522.4	688.3	869.1	1327	1910	2639
120	-	4.681	6.787	12.160	19.25	27.93	50.77	81.06	119.20	165.6	222.7	284.8	361.5	449.5	540.2	710.7	896.9	1367	1964	2692
130	-	5.066	7.342	13.150	20.79	30.15	54.72	87.22	128.10	177.7	238.4	304.8	386.2	479.3	575.7	755.7	952.3	1447	2073	2830
140	-	5.452	7.897	14.130	20.33	32.37	58.66	93.39	136.90	189.8	254.3	324.7	410.8	509.2	611.2	800.6	1008.0	1527	2182	2972
150	-	5.837	8.451	15.120	23.87	36.59	62.61	99.56	145.80	201.8	270.0	344.7	435.5	539.0	646.7	845.6	1063.0	1607	2291	3114
160	-	6.222	9.006	16.110	25.41	36.81	66.56	105.00	153.70	212.6	284.4	362.6	457.9	566.3	678.9	886.8	1114.0	1680	2391	3245
170	-	-	-	-	-	-	70.50	111.20	162.60	224.7	300.1	382.6	482.5	596.2	714.4	931.7	1169.0	1760	2499	3387
180	-	-	-	-	-	-	74.45	117.40	171.50	236.8	315.9	402.6	507.2	626.0	749.9	976.7	1225.0	1840	2608	3529
190	-	-	-	-	-	-	78.39	123.50	180.40	248.9	331.7	422.5	531.9	655.8	785.4	1022.0	1280.0	1920	2717	3671
200	-		-	-	-	-	82.34	129.70	189.20	261.0	347.5	442.5	556.5	685.7	820.9	1066.0	1336.0	2000	2826	3813
220	-	-	-	-	-	-	-	-	207.00	285.1	379.1	482.5	605.8	745.4	892.0	1156.0	1447.0	2160	3043	4098
240	-	-	-	-	-	-	-	-	-	-	-	-	655.2	805.0	963.0	1246.0	1558.0	2320	3261	4382
260	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1336.0	1669.0	2479	3478	4666
280	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2639	3696	4950
300	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2799	3913	5234

Note. To determine the mass of studs made from other materials, the mass values given in the table shall be multiplied by the coefficient: 0.356 for aluminium alloy; 0.970 for bronze; 1.080 for brass.

(Amended, Amendment No. 4).

APPENDIX 2

For reference

Stud length l, mm	Theoretical mass of 1000 pcs. steel studs, version 2, by thread diameter, kg, with coarse-pitch thread, at nominal thread diameter d, mm
	2	2.5	3	4	5	6	8	10	12	(14)	16	(18)	20	(22)	24	(27)	30	36	42	48
10	0.261	0.451	0.706	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
12	0.299	0.511	0.794	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
14	0.336	0.571	0.882	1.704	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
16	0.373	0.631	0.970	1.859	3.216	4.939	10.19	18.07	-	-	-	-	-	-	-	-	-	-	-	-
(18)	0.410	0.691	1.058	2.014	3.463	5.291	10.83	19.08	-	-	-	-	-	-	-	-	-	-	-	-
20	0.448	0.751	1.147	2.168	3.710	5.644	11.46	20.08	-	-	-	-	-	-	-	-	-	-	-	-
(22)	0.485	0.811	1.235	2.323	3.958	5.997	12.10	21.09	-	-	-	-	-	-	-	-	-	-	-	-
25	0.541	0.901	1.367	2.556	4.329	6.526	13.05	22.59	35.63	52.69	-	-	-	-	-	-	-	-	-	-
(28)	0.597	0.991	1.499	2.788	4.700	7.055	14.01	24.10	37.81	55.67	-	-	-	-	-	-	-	-	-	-
30	0.634	1.052	1.587	2.943	4.947	7.408	14.65	25.10	39.27	57.66	-	-	-	-	-	-	-	-	-	-
(32)	0.672	1.112	1.676	3.098	5.195	7.761	15.28	26.11	40.72	59.64	-	-	-	-	-	-	-	-	-	-
35	0.728	1.202	1.808	3.330	5.566	8.290	16.24	27.61	42.90	62.63	89.23	117.3	-	-	-	-	-	-	-	-
(38)	0.784	1.292	1.940	3.562	5.937	8.819	17.19	29.12	45.09	65.61	93.23	122.3	-	-	-	-	-	-	-	-
40	0.821	1.352	2.028	3.717	6.184	9.172	17.83	30.12	46.54	67.60	95.89	125.6	166.5	-	-	-	-	-	-	-
(42)	0.858	1.412	2.117	3.872	6.431	9.525	18.47	31.13	47.99	69.59	98.55	128.9	170.6	-	-	-	-	-	-	-
45	0.914	1.502	2.249	4.104	6.802	10.054	19.42	32.63	50.18	72.57	102.58	133.9	176.9	227.7	278.7	-	-	-	-	-
(48)	0.970	1.592	2.381	4.337	7.173	10.583	20.38	34.14	52.36	75.55	106.54	138.8	183.1	235.4	287.7	-	-	-	-	-
50	1.008	1.652	2.469	4.492	7.421	10.935	21.01	35.14	53.81	77.54	109.21	142.1	187.3	240.5	293.6	-	-	-	-	-
55	1.101	1.803	2.690	4.879	8.039	11.817	22.61	37.65	57.45	82.51	115.87	150.4	197.7	253.3	308.6	421.5	-	-	-	-
60	1.194	1.953	2.910	5.266	8.658	12.699	24.20	40.16	61.08	87.48	122.52	158.6	208.1	266.1	323.6	440.9	568.5	-	-	-
65	1.287	2.103	3.131	5.653	9.276	13.581	25.79	42.67	64.72	92.45	129.18	166.9	218.5	278.9	338.6	460.2	552.2	-	-	-
70	1.381	2.253	3.351	6.040	9.894	14.463	27.38	45.18	68.35	97.42	135.84	175.2	228.9	291.7	353.6	479.5	615.9	976.3	-	-
75	1.474	2.403	3.572	6.428	10.513	15.345	28.97	47.69	71.99	102.39	142.50	183.4	239.3	304.5	368.6	498.9	639.6	1010.7	-	-
80	1.567	2.554	3.792	6.815	11.131	16.227	30.57	50.20	75.63	107.36	149.16	191.7	249.7	317.3	383.5	518.2	663.2	1045.0	1543	2160
85	-	2.704	4.013	7.202	11.749	17.109	32.16	52.71	79.26	112.33	155.82	200.0	260.1	330.0	398.5	537.5	686.9	1079.4	1590	2222
90	-	2.854	4.233	7.589	12.368	17.991	33.75	55.22	82.90	117.30	162.48	208.2	270.5	342.8	413.5	556.9	710.6	1113.8	1637	2283
(95)	-	3.004	4.454	7.976	12.986	18.873	35.34	57.73	86.53	122.27	169.14	216.5	280.9	355.6	428.5	576.2	734.3	1148.2	1684	2345
100	-	3.155	4.674	8.364	13.605	19.754	36.93	60.24	90.17	127.24	175.89	224.8	241.3	368.4	443.5	595.5	758.0	1182.5	1731	2407
(105)	-	3.305	4.895	8.751	14.223	20.636	38.53	62.75	93.81	132.21	182.45	233.0	301.7	381.2	458.5	614.9	781.7	1216.9	1779	2468
110	-	3.455	5.115	9.138	14.841	21.518	40.12	65.26	97.44	137.18	189.11	241.3	312.1	394.0	473.4	634.2	805.4	1251.3	1826	2530
(115)	-	3.605	5.336	9.525	15.460	22.400	41.71	67.77	101.08	142.15	195.77	249.5	322.5	406.8	488.4	653.6	829.1	1285.7	1873	2592
120	-	3.755	5.556	9.913	16.078	23.282	43.30	70.28	104.71	147.12	202.43	257.8	332.9	419.6	503.4	672.9	852.7	1320.0	1920	2653
130	-	4.056	5.997	10.687	17.315	25.046	46.49	75.31	111.98	157.06	215.75	274.3	353.7	445.2	533.4	711.6	900.1	1388.8	2014	2777
140	-	4.356	6.438	11.461	18.552	26.810	49.67	80.33	119.26	167.00	299.07	290.9	374.6	470.8	563.3	750.2	947.5	1457.5	2108	2900
150	-	4.657	6.879	12.236	19.789	28.573	52.85	85.35	126.53	176.94	242.38	307.4	395.4	496.3	593.3	788.9	994.9	1526.3	2202	3024
160	-	4.957	7.320	13.010	21.025	30.337	56.04	90.37	133.80	186.88	255.70	323.9	416.2	521.9	623.3	827.6	1042.2	1595.0	2296	3147
170	-	-	-	-	-	-	59.22	95.39	141.07	196.83	269.02	340.4	437.0	547.5	653.2	866.2	1089.6	1663.8	2390	3271
180	-	-	-	-	-	-	62.40	100.41	148.34	206.77	282.34	357.0	157.8	573.1	683.2	904.9	1137.0	1732.5	2484	3394
190	-	-	-	-	-	-	65.59	105.43	155.62	216.71	295.66	373.5	478.6	598.7	713.1	943.6	1184.4	1801.3	2578	3517
200	-	-	-	-	-	-	68.77	110.45	162.89	226.65	308.97	390.0	499.4	624.3	743.1	982.3	1231.7	1870.0	2672	3641
220	-	-	-	-	-	-	-	-	177.43	246.58	335.61	423.1	541.2	675.4	803.0	1059.6	1326.5	2007.6	2861	3888
240	-	-	-	-	-	-	-	-	-	-	-	-	582.6	726.6	863.0	1136.9	1421.2	2145.1	3049	4134
260	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1214.3	1516.0	2282.6	3237	4381
280	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2420.1	3425	4628
300	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2557.6	3013	4875

Note. To determine the mass of studs made of other materials, the mass values given in the table must be multiplied by a factor of: 0.356 for aluminium alloy; 0.970 for bronze; 1.080 for brass.

(Amended, Amendment No. 4).