Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Thin Slotted Nuts and Castle Buts with Metric Coarse snd Fine Pitch Thread,Product Grades A and B

DIN 979 - 2013

Display drawing:

Thread Size
d

(M7)

M10

M12

(M14)

M16

(M18)

M20

(M22)

P	Pitch (Coarse thread)
	Fine thread
	Fine thread
d_e	max
	min
e	min
k	max=nominal size
	min
w	max
	min
n	max
	min
s	max=nominal size
	min
Number of slots

1	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5
/	/	1	1	1.5	1.5	1.5	1.5	2	1.5
/	/	/	1.25	1.25	/	/	2	1.5	2
/	/	/	/	16	18	22	25	28	32
/	/	/	/	15.57	17.57	21.48	24.3	27.3	31
11.05	12.12	14.38	17.77	20.03	23.35	26.75	29.56	32.95	37.29
5	5.5	6.5	8	10	11	13	15	16	18
4.7	5.2	6.14	7.64	9.64	10.57	12.57	14.3	15.3	17.3
2.5	3	3.5	4	5	6	7	9	10	10
2.25	2.75	3.2	3.7	4.7	5.7	6.64	8.64	9.64	9.64
2.25	2.25	2.75	3.05	3.8	3.8	4.8	4.8	4.8	5.8
2	2	2.5	2.8	3.5	3.5	4.5	4.5	4.5	5.5
10	11	13	16	18	21	24	27	30	34
9.78	10.73	12.73	15.73	17.73	20.67	23.67	26.16	29.16	33
6	6	6	6	6	6	6	6	6	6

Thread Size
d

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

P	Pitch (Coarse thread)
	Fine thread
	Fine thread
d_e	max
	min
e	min
k	max=nominal size
	min
w	max
	min
n	max
	min
s	max=nominal size
	min
Number of slots

3	3	3.5	3.5	4	4	4.5	4.5	5	5
2	2	2	2	3	3	3	3	3	3
/	/	/	/	/	/	/	/	/	/
34	38	42	46	50	55	58	62	65	70
33	37	41	45	49	53.8	56.8	60.8	63.8	68.8
39.55	45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25
19	22	24	26	29	31	33	34.5	36	38
18.16	21.16	23.16	25.16	28.16	30	32	33.5	35	37
11	14	15	17	20	22	22	22.5	24	26
10.57	13.57	14.57	16.57	19.48	21.48	21.48	22.02	23.48	25.48
5.8	5.8	7.36	7.36	7.36	7.36	9.36	9.36	9.36	9.36
5.5	5.5	7	7	7	7	9	9	9	9
36	41	46	50	55	60	65	70	75	80
35	40	45	49	53.8	58.8	63.1	68.1	73.1	78.1
6	6	6	6	6	6	8	8	8	8

①,Number of slots
d≤39mm: 6
d＞39mm: 8
②,Material:
a)Steel, Strength class (material): d≤39mm: 04, 05; d＞39mm: subject to agreement. Standard DIN EN ISO 898-2
b)Stainless steel, Strength class (material): d≤20mm: A2-035; 20mm＜d≤39mm: A2-025; d＞39mm: subject to agreement. Standard DIN EN ISO 3506-2
c)Non-ferrous, Strength class (material): CuZn, CU2 or CU3 at the discretion of the manufacturer. Standard DIN EN 28839

Alternative history

DIN 979 - 1987 DIN 979 - 2013

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Similar Standards

1	[DIN] DIN 979 - 1983	Hexagon Thin Slotted Nuts and Castle Nuts with Metric Coarse and Fine Pitch Thread, Product Grades A and B
2	[DIN] DIN 937 - 1983	Hexagon Thin Castle Nuts (Previous Design)
3	[GB] GB 9459 - 1988	Hexagon Thin Slotted Nuts - Fine Pitch Thread - Prodnct Grade A and B
4	[GB] GB 6181 - 1986	Hexagon Thin Slotted Nuts - Product Grade A and B
5	[GB] GB 60 - 1966	Hexagonal Slotted Reduced Height Nuts
6	[UNI] UNI 5594 - 1976	Slotted and Castle Low Hexagon Nuts
7	[GB] GB 60 - 1976	Hexagonal Slotted Reduced Height Nuts
8	[BS] BS 1768 - 1963	Unified Hexagon Slotted Nuts - Normal Series
9	[CNS] CNS 4470 - 1983	Slotted Hexagon Thin Nuts
10	[GOST] GOST 5919 - 1973	Hexagon Thin Slotted and Castle Nuts, Accuracy Class B
11	[GOST] GOST 5933 - 1973	Hexagon Thin Slotted and Castle Nuts, Accuracy Class A
12	[GOST] GOST 5935 - 1973	Hexagon Slotted Lock-Nuts with Reduced Across Flats Width, of Accuracy Class A