Click Specification

Hexagon Flange Bolts

DIN 6921 - 1983

Display drawing:

Download CAD Model

Download CAD Model^*

^*Models with different eras.

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

Thread Size
d

M10

M12

M14

M16

M20

P	Pitch	Coarse thread
		Fine thread-1
		Fine thread-2
b	Ref.	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

Suppliers

Best price if from GlobalFastener.com.

Yuyao Hutson Metal Product Co., Ltd.

Ma Huazhen/Xu Tianyang
+86-13095941973
+86-574-62761228

Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

Shanghai ATM Precision Fastening Technology Co., Ltd.

Xu Hai
+86-18621311857
+86-21-59766477

Materials: 301, 302, 303, 304, 304L, 316, 316L, 316Ti, 317L, 310S, 321, 347, 1.4529, 1.4539, 1.4462, 1.4547, 1.4980, 904L, 2205, 2507, 2520, S32750, S32760, 1Cr13, 1Cr17, 2Cr13, 3Cr13, 14Cr17Ni2, 410, 416, 420, 430, 431, 440, 630, 631, 17-4PH, MP35N, 600, 601, 625, 660, 718, 750, 800, 825, 925, 926, C22, C276, A286, GH2132, GH4033, GH4080, GH4169, GH4145, 9C18Mo, 4Cr10Si2Mo, 35CrMoA, 42CrMoA, 40CrNiMoA, 25Cr2Mo1VA, SCM435, SCM440, 4130, 4140, 4145, A36, A307, A320, A325, A490, A574, F1554; stainless steel, alloy steel, titanium alloys, nickel-based alloys, high-temperature alloys, corrosion-resistant alloys, nickel-cobalt alloys, special alloys, and other special materials per customer specifications. Grades: A1-50, A2-50, A2-70, A2-80, A3-70, A4-70, A4-80, A4-90, A4-100, A5-80, B8, B8M, B8C, B8T, B6, B7, B7M, B16, C1-50, C1-70, C1-110, C3-80, C3-120, C4-70, D2-80, D2-100, D4-80, D4-100, D6-80, D6-100, D8-80, D8-100, P1-90, P1-120, F51, F53, F55, F60, 10.9, 12.9, 14.9, 15.9, 16.9; Other grades available upon request. Specifications: M3–M120, 1/4"–4". No limitation on product diameter or length; custom non-standard parts can be manufactured upon request. Surface Treatments: passivation, black oxide, phosphating, electrophoretic coating, zinc plating, nickel plating, chrome plating, cadmium plating, gold plating, silver plating, tin plating, copper plating, zinc diffusion, marine zinc, aluminum diffusion, aluminum spraying, Dacromet, Geomet, Teflon coating, zinc-nickel alloy plating, nickel-cobalt alloy plating, hot-dip galvanizing, ceramic composite coatings, molybdenum disulfide coating, tungsten disulfide coating, nano-coatings, and other surface finishes per customer requirements.

Wenzhou Fengding Fastener Manufacture Co., Ltd.

Mr.Huang
+86-18857755588/13676725866
+86-577-86500568

Material: carbon steel，copper，Stainless steel;Surface treatment: according to customers' requirements; Grade: 4.8, 8.8, 10.9, 12.9; Nominal diameter: M3-M20; Nominal length: 5-300mm

Ningbo SiTuo Fastener Co., Ltd

Petty Cao
+86-15381997760

Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

Join Us

Similar Standards

1	[ISO] ISO 4162 - 2012	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B View Suppliers
2	[IFI] IFI 111 - 2002	Hexagon Flange Bolts View Suppliers
3	[EN] EN 1662 - 1997	Hexagon Bolts with Flange - Small Series View Suppliers
4	[IFI] IFI 111 - 1986	Hexagon Flange Bolts View Suppliers
5	[ISO] ISO 4162 - 1990	Hexagon Flange Bolts - Small Series View Suppliers
6	[JIS] JIS B 1189 (Type 2) - 2014	Hexagon Flange Bolt - Type 2 - [Table JA.3] View Suppliers
7	[JIS] JIS B 1189 (Type 2) - 2005	Hexagon Flange Bolt - Type 2 - [Attached Table 2] View Suppliers
8	[GB] GB 5787 - 1986	Hexagon Flange Bolts - Product Grade B View Suppliers
9	[JIS] JIS B 1189 (ISO 15072) - 2005	Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1] View Suppliers
10	[JIS] JIS B 1189 (Class 2) - 1977	Hexagon Flange Bolts - Class 2 View Suppliers
11	[GB] GB /T 5788 - 1986	Hexagon Flange Bolts - Reduced Shank - Product Grade B View Suppliers
12	[ASME] ASME B 18.2.1 (T8) - 2012	Hex Flange Screws [Table 8]（A394）
13	[DIN] DIN 6922 - 1983	Hexagon Flange Bolts with Reduced Shank
14	[ASME/ANSI] ASME/ANSI B 18.2.3.4M - 1999	Hexagon Head Flange Bolts
15	[ISO] ISO 15071 - 1999	Hexagon Bolts with Flange - Small Series - Product Grade A
16	[DIN EN] DIN EN 1662 - 1998	Hexagon Bolts with Flange - Small Series
17	[IFI] IFI 538 - 1982	Metric Heavy Hex Flange Screws
18	[IFI] IFI 536 - 1982	Metric Hex Flange Screws
19	[ASME/ANSI] ASME/ANSI B 18.6.7M - 1998	Metric Hex Head Flange Screws
20	[IFI] IFI 513 - 1982	Metric Hex Flange Head Machine Screws
21	[ISO] ISO 15071 - 2011	Hexagon Bolts with Flange - Small Series - Product Grade A
22	[ISO] ISO 15072 - 1999	Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series - Product Grade A
23	[ASME] ASME B 18.2.3.4M - 2001 (R2011)	Metric Hex Flange Screws
24	[ISO] ISO 15072 - 2012	Hexagon Bolts with Flange, Metric Fine Pitch Thread,Small Series, Product Grade A
25	[ASME] ASME B 18.2.1 (T8) - 2010	Hex Flange Screws [Table 8]
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 10470	Hexagon Flange Bolts， Waterproof
29	[IS] IS 15582 - 2005	Hexagon Flange Bolts - Small Series
30	[Others] MBN 10105 - 2007	Hexagon Head Screws with Flange