GOST 10336-80 Cheese-Head Non-Falling-Out Screws, Product Grade B. Design and Dimensions

This standard applies to cheese-head non-falling-out screws, product grade B, with nominal thread diameter from 2.5 to 12 mm.

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

Table 1

mm

INTERSTATE STANDARD
CHEESE-HEAD NON-FALLING-OUT SCREWS, PRODUCT GRADE B. Design and dimensions Cheese-head non-falling-out screws, product grade B. Design and dimensions	GOST 10336-80 Supersedes GOST 10336-63

Table 2

Nominal thread diameter d		2.5	3	4	5	6	8	10	12
Shank diameter d₁ (tolerance h13)		1.6	2.0	2.8	3.5	4.0	5.5	7.0	9.0
Thread length b		3	4	5	6	8	10	12	16
Head diameter D		4.5	5.5	7.0	8.5	10.0	13.0	16.0	18.0
Head height k		1.6	2.0	2.6	3.3	3.9	5.0	6.0	7.0
Head height k₁		2.5	3.0	3.5	4.5	5.5	6.5	8.0	10.0
Hole diameter in head d₂ (tolerance H14)		-	-	1.0	1.2	2.0	2.5		3.2
h₁ (tolerance js15)		-	-	1.5	2.0	2.5	2.8	3.0	3.5
d₃, max		2.0		2.5			3.0
h₂ (tolerance H13 for h₂ ≤ 1; tolerance H14 for h₂ > 1)		0.5	0.7	0.8	1.3	1.8	2.0	3.0	4.5
Radius r₁ or chamfer C, max		0.5		0.7	0.9	1.0	1.2	1.6	1.8
Radius under head R, max		0.2			0.4		0.5		0.6
h₃	min	0.7	0.9	1.2	1.5	1.8	2.3	2.7	3.2
	max	1.0	1.3	1.6	2.0	2.3	2.8	3.2	3.8

Screw length l, mm	Thread diameter d, mm
	2.5	3	4	5	6	8	10	12
6			-	-	-	-	-	-
8				-	-	-	-	-
10					-	-	-	-
12						-	-	-
(14)						-	-	-
16						-	-	-
(18)						-	-	-
20	-					-	-	-
(22)	-							-
25	-		Standard lengths					-
(28)	-
32	-
(36)	-
40	-
(45)	-
50	-
(55)	-
60	-
(70)	-	-	-
80	-	-	-

Note. Screw lengths shown in brackets are not recommended for use.

Example of designation for a design 1 screw with thread diameter d = 8 mm, tolerance class 6g, length l = 25 mm, property class 5.8, plain (uncoated):

Screw M8×6g×25.58 GOST 10336-80

Same, design 2, property class 8.8, made of steel grade 35Kh, with zinc coating 9 μm thick, chromated:

Screw 2M8-6g×25.88.35Kh.019 GOST 10336-80

2. Thread — to GOST 24705-2004, thread pitch — coarse. Thread runout — to GOST 10549-80.

2a. Tolerances and methods of inspection of dimensions and form and location deviations of surfaces — to GOST 1759.1-82.

2b. Surface defects and inspection methods — to GOST 1759.2-82.

2c. Straight slots for design 1 and 2 screws, slot width for design 3 screws — to GOST 24669-81.

3. Technical requirements — to GOST 1759.0-87.

4. Theoretical mass of screws is given in Appendix 1.

APPENDIX 1

For reference

Screw length l, mm	Theoretical mass of 1000 pcs of steel screws, kg, at nominal thread diameter d, mm
	2.5	3	4	5	6	8	10	12
6	0.318	0.484	-	-	-	-	-	-
8	0.350	0.534	1.269	-	-	-	-	-
10	0.382	0.583	1.365	2.386	-	-	-	-
12	0.414	0.632	1.462	2.537	3.880	-	-	-
(14)	0.446	0.682	1.559	2.688	4.077	-	-	-
16	0.478	0.732	1.655	2.839	4.274	-	-	-
(18)	0.510	0.782	1.752	2.990	4.472	-	-	-
20	-	0.832	1.848	3.141	4.669	-	-	-
(22)	-	0.882	1.945	3.291	4.867	5.130	8.400	-
25	-	0.954	2.090	3.518	5.163	5.680	9.400	-
(28)	-	1.028	2.235	3.745	5.459	6.241	10.400	16.42
32	-	1.127	2.428	4.047	5.854	6.999	11.400	18.42
(36)	-	1.225	2.621	4.349	6.249	7.747	12.730	20.42
40	-	1.324	2.814	4.651	6.643	8.495	13.930	22.42
(45)	-	1.448	3.056	5.028	7.137	9.430	15.440	24.90
50	-	1.571	3.297	5.406	7.630	10.360	16.950	27.40
(55)	-	1.695	3.539	5.783	8.124	11.300	18.460	29.89
60	-	1.818	3.780	6.161	8.617	12.230	19.970	31.89
(70)	-	-	-	6.916	9.604	14.100	22.990	37.38
80	-	-	-	7.671	10.540	15.970	26.010	42.38

Note. To determine the mass of brass screws, multiply the values given in the table by a factor of 1.08.

Corresponds to DIN 404.