JIS B 1189 (ISO 15072) - 2005 Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1]

Unit: 毫米(mm)

Thread Size
d

M10

M12

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

1	1	1.25
-	1.25	1.5
3	3	4.5
1	1	1.5
22	26	30
28	32	36
/	/	/
1.2	1.5	1.8
9.2	11.2	13.7
10	12.5	15.2
17	20.8	24.7
8	10	12
7.78	9.78	11.73
8.8	10.8	12.8
14.9	18.7	22.5
10.95	14.26	16.5
8.5	9.7	12.1
3.8	4.3	5.4
2.1	2.1	2.1
0.4	0.4	0.6
0.5	0.6	0.7
0.36	0.45	0.54
0.16	0.20	0.24
5.7	5.7	5.7
10	13	15
9.78	12.73	14.73
0.25	0.30	0.35
0.10	0.15	0.15

per 1000 units ≈ kg(7.85kg/cm3)

Thread Length
b

GB 5787 - 1986

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

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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
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IFI 111 - 1986

Hexagon flange bolts
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IFI 513 - 1982

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IFI 536 - 1982

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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

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ISO 15072 - 1999

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ISO 4162 - 1990

Hexagon flange bolts; small series
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ISO 15071 - 2011

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ISO 15071 - 1999

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JIS B 1189 (Type 2) - 2014

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JIS B 1189 (Type 2) - 2005

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JIS B 1189 (Class 2) - 1977

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Q 178

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Q 180

Hexagon flange bolts
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Q 181

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Q 182

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Q 184

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ASME/ANSI B 18.2.3.4M - 1999

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ASME/ANSI B 18.6.7M - 1998

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EN 1662 - 1997

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NF E 25-504 - 1998 (R2004)

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MBN 10105 - 2007

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YJT 1047

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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

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

GB	GB /T 16674.2
ISO	ISO 15072
EN	EN 14219R
JIS	JIS B 1189ISO 15072
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.