GOST 10462-81 Lock Washers

GOST 10462-81 covers serrated and blanked internal-tooth lock washers intended for fasteners with threads from 2 to 24 mm.

The design and dimensions of the washers shall conform to those shown in the drawing and in Table 1 for serrated washers, Table 2 for blanked washers.

Nominal thread diameter of the fastener	d		D		Dj max	S	min	Number of teeth z
	Nom.	H14	Nom.	H14
2	2.2	+0.25	5.3	-0.30	4.2	0.2	0.60	6
2.5	2.7		6.3	-0.36	4.9
3	3.2	+0.30	7.0		5.0	0.3	0.90	7
4	4.2		9.0		6.5	0.4	1.20
5	5.2		10.0		7.5	0.7	1.75	8
6	6.3	+0.36	12.0	-0.43	9.0			9
8	8.4		14.0		11.0	0.8	2.00	10
10	10.5	+0.43	17.0		13.5	1.0	2.50	11
12	12.5		19.0	-0.52	15.4	1.2	2.75	12
14	14.5		22.0		18.0	1.4	3.2
16	16.5		24.0		20.0			14
18	18.5	+0.52	27.0		22.5	1.7	3.75
20	21.0		30.0		24.8
22	23.0		32.0	0.62	28.0			16
24	25.0		36.0		32.0

Table 2

Dimensions in mm

Nominal thread diameter of the fastener	d		D		D, ± 0.1	</,±0.1	S	h, min	Number of teeth z
	Nom.	H14	Nom.	H14
3	3.2	+0.30	7.0	0.36	4.1	1.2	0.4	0.75	6
4	4.2		9.0		5.2	1.6	0.5	0.95
5	5.2		10.5	-0.43	6.3	2.0		1.0
6	6.3	+0.36	12.5		7.6	2.2	0.6	1.1	7
8	8.4		15.5		9.8		0.8	1.5	8
10	10.5	+0.43	18.0		12.0	2.5	0.9	1.7	9
12	12.5		21.0	-0.52	14.5	2.8	1.0	1.9	10
14	14.5		24.1		16.5	3.2		2.0
16	16.5		27.0		18.5	3.6	1.2	2.2
18	18.5	+0.52	30.0		21.0			2.2	12
20	21.0		33.0	-0.62	23.5	4.0		2.3
22	23.0		35.0		25.5	4.5	1.5	2.5
24	25.0		40.0		28.0	5.0		2.7

Mass of steel washers

Nominal thread diameter	Theoretical mass of 1000 washers, kg =
of the fastener, mm	Type 1	Type 2
2	0.030	—
2.5	0.041	—
3	0.072	0.070
4	0.156	0.150
5	0.327	0.200
6	0.449	0.330
8	0.622	0.740
10	1.100	0.800
12	1.515	1.530
14	2.362	1.780
16	2.622	2.740
18	4.054	3.220
20	4.811	3.700
22	5.189	4.690
24	7.033	6.890

Conforms to DIN 6797, DIN 6798, GOST 10463-81 and GOST 10464-81.