GB /T 16674.3 - 2023 Hexagon bolts with flange - Small series - Product grade A with driving feature of product grade B

Unit: 毫米(mm)

Thread Size
d

P	Pitch
b	L≤125
	125＜L≤200
	L＞200
c	min
d_a	max	Type F
		Type U
d_c	max
d_s	max
	min
d_u	max
d_w	min
e	min
k	max
k₁	min
f	max
r₁	min
r₂ ^①	max
r₃	max
	min
r₄	Ref.
s	max
	min
V	max
	min

0.8	1	1.25
16	18	22
/	/	28
/	/	/
1	1.1	1.2
5.7	6.8	9.2
6.2	7.5	10
11.4	13.6	17
5	6	8
4.82	5.82	7.78
5.5	6.6	8.8
9.4	11.6	14.9
7.44	8.56	10.8
5.6	6.8	8.5
2.3	2.9	3.8
1.4	1.6	2.1
0.2	0.25	0.4
0.3	0.4	0.5
0.25	0.26	0.36
0.1	0.11	0.16
4	4.4	5.7
7	8	10
6.64	7.64	9.64
0.15	0.2	0.25
0.05	0.05	0.1

Thread Length
b

①,Radius r2 is applicable both at the corners and at the flats of the hexagon.

GB 5787 - 1986

Hexagon Flange Bolts - Product Grade B
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GB /T 5788 - 1986

Hexagon Flange Bolts - Reduced Shank - Product Grade B
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IFI 111 - 2002

Hexagon Flange Bolts
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IFI 111 - 1986

Hexagon flange bolts
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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 6921 - 1983

Hexagon Flange Bolts
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DIN 6922 - 1983

Hexagon flange bolts with reduced shank
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ISO 15072 - 2012

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ISO 4162 - 2012

Hexagon Bolts With Flange - Small Series - Product Grade A with Driving Feature of Product Grade B
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ISO 15072 - 1999

Hexagon bolts with flange with metric fine pitch thread—Small series—Product grade A
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ISO 4162 - 1990

Hexagon flange bolts; small series
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ISO 15071 - 2011

Hexagon Bolts With Flange - Small Series - Product Grade A

ISO 15071 - 1999

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JIS B 1189 (Type 2) - 2014

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JIS B 1189 (Type 2) - 2005

Hexagon Flange Bolt - Type 2 - [Attached Table 2]
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JIS B 1189 (ISO 15072) - 2005

Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1]
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JIS B 1189 (Class 2) - 1977

Hexagon Flange Bolts - class 2
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Q 178

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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
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Q 184

Hexagon flange bolts
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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
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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
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QC /T 340 - 1999

Hexagon Bolts With Serrated Flange
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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

GB	GB /T 16674.3
ISO	ISO 4162
ASME/ANSI	ASME/ANSI B 18.2.3.4M
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.