DIN 6921 - 1983 Hexagon Flange Bolts

Unit: 毫米(mm)

Thread Size
d

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
/	/	/
16	18	22
/	/	28
/	/	/
1	1.1	1.2
5.7	6.8	9.2
6.2	7.4	10
11.8	14.2	18
5	6	8
4.82	5.82	7.78
5.5	6.6	9
9.8	12.2	15.8
8.71	10.95	14.26
1.4	2	2
5.4	6.6	8.1
2	2.5	3.2
0.25	0.4	0.4
0.3	0.4	0.5
0.1	0.1	0.15
3	3.4	4.3
8	10	13
7.78	9.78	12.73
0.15	0.2	0.25
0.05	0.05	0.1

Thread Length
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

GB 5787 - 1986

Hexagon Flange Bolts - Product Grade B
Suppliers(3)

GB /T 5788 - 1986

Hexagon Flange Bolts - Reduced Shank - Product Grade B
Suppliers(1)

GB /T 16674.3 - 2023

Hexagon bolts with flange - Small series - Product grade A with driving feature of product grade B

IFI 111 - 2002

Hexagon Flange Bolts
Suppliers(1)

IFI 111 - 1986

Hexagon flange bolts
Suppliers(1)

IFI 513 - 1982

Metric Hex Flange Head Machine Screws

IFI 536 - 1982

Metric Hex Flange Screws

IFI 538 - 1982

Metric Heavy Hex Flange Screws

DIN 6922 - 1983

Hexagon flange bolts with reduced shank
Suppliers(1)

ISO 15072 - 2012

Hexagon Bolts with Flange, Metric Fine Pitch Thread,Small Series, Product Grade A
Suppliers(1)

ISO 4162 - 2012

Hexagon Bolts With Flange - Small Series - Product Grade A with Driving Feature of Product Grade B
Suppliers(1)

ISO 15072 - 1999

Hexagon bolts with flange with metric fine pitch thread—Small series—Product grade A
Suppliers(1)

ISO 4162 - 1990

Hexagon flange bolts; small series
Suppliers(1)

ISO 15071 - 2011

Hexagon Bolts With Flange - Small Series - Product Grade A

ISO 15071 - 1999

Hexagon Bolts with Flange - Small Series - Product Grade A

JIS B 1189 (Type 2) - 2014

Hexagon Flange Bolt - Type 2 - [Table JA.3]
Suppliers(1)

JIS B 1189 (Type 2) - 2005

Hexagon Flange Bolt - Type 2 - [Attached Table 2]
Suppliers(1)

JIS B 1189 (ISO 15072) - 2005

Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1]
Suppliers(1)

JIS B 1189 (Class 2) - 1977

Hexagon Flange Bolts - class 2
Suppliers(1)

Q 178

Hexagon flange removing scraps bolts

Q 180

Hexagon flange bolts
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Q 181

Hexagon flange bolts
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Q 182

Hexagon head flange face reduced shank bolts
Suppliers(1)

Q 184

Hexagon flange bolts
Suppliers(1)

ASME/ANSI B 18.2.3.4M - 1999

Hexagon head flange bolts

ASME/ANSI B 18.6.7M - 1998

Metric hex head flange screws

EN 1662 - 1997

Hexagon Bolts with Flange - Small Series
Suppliers(1)

NF E 25-504 - 1998 (R2004)

Hexagon Bolts With Flange - Small Series

MBN 10105 - 2007

Hexagon Head Screws With Flange

YJT 1047

Hexagon Flange Bolts， Waterproof

JG /T 5057.7 - 1995

Construction Machinery and Equipment - High Strength Bolts With Hexagon Flange

JG /T 5057.8 - 1995

Construction Machinery and Equipment - High Strength Bolts With Hexagon Flange - Reduced Shank

DIN EN 1662 - 1998

Hexagon Bolts with Flange - Small Series

QC /T 340 - 2017

Hexagon Bolts With Serrated Flange For Automobile
Suppliers(1)

QC /T 340 - 1999

Hexagon Bolts With Serrated Flange
Suppliers(1)

QC /T 853 - 2011

Hexagon Flange Removing Scraps Bolts

ASME B 18.2.1 - 2012

Hex Flange Screws [Table 8]（A394）

ASME B 18.2.1 - 2010

Hex Flange Screws

ASME B 18.2.3.4M - 2001 (R2011)

Metric Hex Flange Screws

DIN	DIN EN 1665S
EN	EN 1665S
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.

Ningbo SiTuo Fastener Co., Ltd
Contact:	Petty Cao
Cellphone：	86-15381997760
email：	silany_1122@163.com
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.

Wenzhou Fengding Fastener Manufacture Co., Ltd.
Contact:	Mr.Huang
Cellphone：	+86-18857755588 13676725866
email：	wzfdjgj@163.com
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

Yuyao Hutson Metal Product Co., Ltd.
Contact:	Ma Huazhen/Xu Tianyang
Cellphone：	86-13095941973
email：	62828345@163.com
Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

Shanghai Kinsom Precision Hardware Co.,Ltd
Contact:	Tina Cheung
Cellphone：	+86-18114615363
email：	tina@ksfasteners.com
material:carbon steel，copper，Stainless steel 304 ,316,aluminum;Specifications:M2-M20 , 8-32 ,1/4-20 ,10-24 etc;Nominal length:5-200mm;Surface treatment:according to customers' requirements；Zinc plated, Zinc nickel plated, Dacromet, polished, electrophoresis,ect.