Click Specification

Hexagon Flange Bolts

DIN 6921 - 1983

Display drawing:

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^*Models with different eras.

Nominal Length L Tips:seclect Nominal Length L and get Thread length.

Screw Thread
d

M10

M12

M14

M16

M20

P	Pitch	Coarse thread
		Fine thread-1
		Fine thread-2
b	L≤125
	125＜L≤200
	L＞200
c	min
d_a	Form A	max
	Form B	max
d_c	max
d_s	max
	min
d_u	max
d_w	min
e	min
f	max
k	max
k₁	min
r₁	min
r₂	max
r₃	min
r₄	≈
s	max=nominal size
	min
t	max
	min

0.8	1	1.25	1.5	1.75	2	2	2.5
/	/	1	1.25	1.5	1.5	1.5	1.5
/	/	/	1	1.25	/	/	/
16	18	22	26	30	34	38	46
/	/	28	32	36	40	44	52
/	/	/	/	/	/	57	65
1	1.1	1.2	1.5	1.8	2.1	2.4	3
5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4
6.2	7.4	10	12.6	15.2	17.7	20.7	25.7
11.8	14.2	18	22.3	26.6	30.5	35	43
5	6	8	10	12	14	16	20
4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67
5.5	6.6	9	11	13.5	15.5	17.5	22
9.8	12.2	15.8	19.6	23.8	27.6	31.9	39.9
8.71	10.95	14.26	16.5	17.62	19.86	23.15	29.87
1.4	2	2	2	3	3	3	4
5.4	6.6	8.1	9.2	11.5	12.8	14.4	17.1
2	2.5	3.2	3.6	4.6	5.1	5.8	6.8
0.25	0.4	0.4	0.4	0.6	0.6	0.6	0.8
0.3	0.4	0.5	0.6	0.7	0.9	1	1.2
0.1	0.1	0.15	0.2	0.25	0.3	0.35	0.4
3	3.4	4.3	4.3	6.4	6.4	6.4	8.5
8	10	13	15	16	18	21	27
7.78	9.78	12.73	14.73	15.73	17.73	20.67	26.67
0.15	0.2	0.25	0.3	0.35	0.45	0.5	0.65
0.05	0.05	0.1	0.15	0.15	0.2	0.25	0.3

Length of Thread b

①,e min. = 1.12 x s min.
②,Material:
a)Steel, Strength class (material): 8.8,10.9,12.9 Standard DIN ISO 898-1
b)Stainless steel, Strength class (material): A2-70 Standard DIN 267-11

Alternative history

DIN 6921 - 1983 DIN EN 1665S - 1998

Similar Standards

1	[ISO] ISO 4162 - 1990	Hexagon Flange Bolts - Small Series View Suppliers
2	[ISO] ISO 15072 - 2012	Hexagon Bolts with Flange, Metric Fine Pitch Thread,Small Series, Product Grade A View Suppliers
3	[ISO] ISO 4162 - 2012	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B View Suppliers
4	[IFI] IFI 111 - 1986	Hexagon Flange Bolts View Suppliers
5	[DIN] DIN 6922 - 1983	Hexagon Flange Bolts with Reduced Shank View Suppliers
6	[EN] EN 1662 - 1997	Hexagon Bolts with Flange - Small Series View Suppliers
7	[IFI] IFI 111 - 2002	Hexagon Flange Bolts View Suppliers
8	[ISO] ISO 15072 - 1999	Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series - Product Grade A View Suppliers
9	[JIS] JIS B 1189 (Class 2) - 1977	Hexagon Flange Bolts - Class 2 View Suppliers
10	[JIS] JIS B 1189 (ISO 15072) - 2005	Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1] View Suppliers
11	[JIS] JIS B 1189 (Type 2) - 2005	Hexagon Flange Bolt - Type 2 - [Attached Table 2] View Suppliers
12	[GB] GB /T 5788 - 1986	Hexagon Flange Bolts - Reduced Shank - Product Grade B View Suppliers
13	[JIS] JIS B 1189 (Type 2) - 2014	Hexagon Flange Bolt - Type 2 - [Table JA.3] View Suppliers
14	[GB] GB 5787 - 1986	Hexagon Flange Bolts - Product Grade B View Suppliers
15	[ISO] ISO 15071 - 2011	Hexagon Bolts with Flange - Small Series - Product Grade A
16	[ASME] ASME B 18.2.1 (T8) - 2010	Hex Flange Screws [Table 8]
17	[ASME] ASME B 18.2.3.4M - 2001 (R2011)	Metric Hex Flange Screws
18	[IFI] IFI 538 - 1982	Metric Heavy Hex Flange Screws
19	[DIN EN] DIN EN 1662 - 1998	Hexagon Bolts with Flange - Small Series
20	[IFI] IFI 513 - 1982	Metric Hex Flange Head Machine Screws
21	[ISO] ISO 15071 - 1999	Hexagon Bolts with Flange - Small Series - Product Grade A
22	[IFI] IFI 536 - 1982	Metric Hex Flange Screws
23	[ASME] ASME B 18.2.1 (T8) - 2012	Hex Flange Screws [Table 8]（A394）
24	[ASME/ANSI] ASME/ANSI B 18.6.7M - 1998	Metric Hex Head Flange Screws
25	[ASME/ANSI] ASME/ANSI B 18.2.3.4M - 1999	Hexagon Head Flange Bolts
26	[NF] NF E 25-504 - 1998 (R2004)	Hexagon Bolts with Flange - Small Series
27	[GB] GB /T 16674.3 - 2023	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B
28	[YJT] YJT 1047	Hexagon Flange Bolts， Waterproof
29	[Others] MBN 10105 - 2007	Hexagon Head Screws with Flange