DIN 986 - 2013 Prevailing Torque Type Hexagon Domed Cap Nuts With Nonmetallic Insert

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Unit: 毫米(mm)

Thread Size
d

M4

M5

M6

P	Pitch	Pitch（Coarse thread）
		Fine thread 1
		Fine thread 2
d_a	min
	max
d_w	min
e	min
h₁	Nominal Size
	max
	min
h₂	Nominal Size
	max
	min
m	min
m_w	min
r	max=nominal size
	max
	min
s	max=nominal size
	min
per 1000 units ≈ kg

0.7	0.8	1
/	/	/
/	/	/
4	5	6
4.6	5.75	6.75
5.9	6.9	8.9
7.66	8.79	11.05
5.6	6	7.5
5.85	6.25	7.85
5.35	5.75	7.15
9.6	10.5	12
9.9	10.85	12.35
9.3	10.15	11.65
2.9	4.4	4.9
2.32	3.52	3.92
2.5	3	3.5
2.7	3.5	4
2.3	2.5	3
7	8	10
6.78	7.78	9.78
1.4	1.55	3.3

①,Product Grade: ≤ M16: Class A > M16: Class B
②,Material: Steel, Strength Class (material): 5，6(Only for nuts with fine thread)，8，10; Cap: sheet steel . Standard DIN EN ISO 2320

Alternative history DIN 986 - 1977 DIN 986 - 1987 DIN 986 - 2000 DIN 986 - 2013

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