GB 5787 - 1986 Hexagon Flange Bolts - Product Grade B

Unit: 毫米(mm)

Thread Size
d

P ^①	Pitch
b	L≤125
	125＜L≤200
	L＞200
c	min
d_a	Type A	max
	Type 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	Ref.
s	max
	min
t	max
	min

0.8	1	1.25
16	18	22
-	-	28
-	-	-
1	1.1	1.2
5.7	6.8	9.2
6.2	7.4	10
11.4	13.6	17
5	6	8
4.82	5.82	7.78
5.5	6.6	9
9.4	11.6	14.9
7.44	8.56	10.8
1.4	2	2
5.6	6.8	8.5
2.3	2.9	3.8
0.2	0.25	0.4
0.3	0.4	0.5
0.1	0.1	0.15
3	3.4	4.3
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,P = pitch of coarse thread.

GB /T 5788 - 1986

Hexagon Flange Bolts - Reduced Shank - Product Grade B
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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

Metric Hex Flange Head Machine Screws

IFI 536 - 1982

Metric Hex Flange Screws

IFI 538 - 1982

Metric Heavy Hex Flange Screws

DIN 6921 - 1983

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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

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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

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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

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)

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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

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QC /T 853 - 2011

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ASME B 18.2.1 - 2012

Hex Flange Screws [Table 8]（A394）

ASME B 18.2.1 - 2010

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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

Wuxi Zeke Hardware Manufacturing Co., Ltd.
Contact:	Mr.Chen
Cellphone：	+86-18651586798
QQ：	531792923
email：	wxzeke@163.com
Material: Zirconium Zr-1(R60700), Zr-3(R60702), Zr-5(R60705), Zr-0(R60001), Zr-2(R60802), Zr-4(R60804), Titanium TA1-TA36, TB2-TB17, TC1-TC32, Corrosion resistant alloy Incoloy 800, 800H, 800HT, 825, 925, Hastelloy B, B-2, B-3, B-4, C, C276, C-4, C-22, G-50, X, G, G-3, G-30, C-2000, Inconel600, 601, 690, 625, 622, 686, 718, 703, X750, Monel400, Monel K500, Pure nickel Nickel 200, Nickel 201, High-temperature alloy Nimonic 75, 80A, 90, 901, 20Cb-3 alloy, A286(Gr660), Cr20Ni80, Super stainless steel XM-19, 254SMO(F44), 1.4529, 25-6MO, 303, 304, 304L, 309, 309L, 310, 310S, 316, 316L, 316Ti, 904L, 317, 317L, 321, 347, Duplex stainless steel 2205(F51、F60), 2507(F53), S32760(F55), 1Cr13, 2Cr13, 3Cr13, 630(17-4PH), 631(17-7PH), 660, Grade: 8.8, 10.9, 12.9, 14.9, A2-70, A2-80, A3-70, A3-80, A4-70, A4-80, A4L-80, A5-80, D2-70, D2-80, D2-100, D4-70, D4-80, D4-100, D6-70, D6-80, D6-100, D8-70, D8-80, D8-100, C1-70, C1-110, C4-70, C3-80, F1-45, F1-60 High temperature and high pressure ASTMA193/A194 B5, B6, B6X, B7, B7M, B16, B8, B8C, B8M, B8P, B8T, B8LN, B8MLN, B8CLN, B8ML4CuN, 1, 2, 2H, 2HM, 3, 4, 4L, 6, 6F, 7, 7L, 7M, 8, 8C, 8M, 8T, 8F, 8P, 8N, 8MN, 8R, 8S, 8LN, 8MLN, 8MLCuN, 9C, 16

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.