Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Flange Bolts - Product Grade B

GB 5787 - 1986

Display drawing:

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

Thread Size
d

M10

M12

(M14)

M16

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	1.5	1.75	2	2
16	18	22	26	30	34	38
-	-	28	32	36	40	44
-	-	-	-	-	53	57
1	1.1	1.2	1.5	1.8	2.1	2.4
5.7	6.8	9.2	11.2	13.7	15.7	17.7
6.2	7.4	10	12.6	15.2	17.7	20.7
11.4	13.6	17	20.8	24.7	28.6	32.8
5	6	8	10	12	14	16
4.82	5.82	7.78	9.78	11.73	13.73	15.73
5.5	6.6	9	11	13.5	15.5	17.5
9.4	11.6	14.9	18.7	22.6	26.4	30.6
7.44	8.56	10.8	14.08	16.32	19.68	22.94
1.4	2	2	2	3	3	3
5.6	6.8	8.5	9.7	11.9	12.9	15.1
2.3	2.9	3.8	4.3	5.4	5.6	6.7
0.2	0.25	0.4	0.4	0.6	0.6	0.6
0.3	0.4	0.5	0.6	0.7	0.9	1
0.1	0.1	0.15	0.2	0.25	0.3	0.35
3	3.4	4.3	4.3	6.4	6.4	6.4
7	8	10	13	15	18	21
6.64	7.64	9.64	12.57	14.57	17.57	20.48
0.15	0.2	0.25	0.3	0.35	0.45	0.5
0.05	0.05	0.1	0.15	0.15	0.2	0.25

Length of Thread b

①,P = pitch of coarse thread.

Suppliers

Best price if from GlobalFastener.com.

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.

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Similar Standards

1	[ISO] ISO 4162 - 1990	Hexagon Flange Bolts - Small Series View Suppliers
2	[EN] EN 1662 - 1997	Hexagon Bolts with Flange - Small Series View Suppliers
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26	[GB] GB /T 16674.3 - 2023	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B
27	[NF] NF E 25-504 - 1998 (R2004)	Hexagon Bolts with Flange - Small Series
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