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Hexagon Flange Bolts

DIN 6921 - 1983

Display drawing:

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^*Models with different eras.

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

Screw Thread
d

M10

M12

M14

M16

M20

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	1.5	1.75	2	2	2.5
/	/	1	1.25	1.5	1.5	1.5	1.5
/	/	/	1	1.25	/	/	/
16	18	22	26	30	34	38	46
/	/	28	32	36	40	44	52
/	/	/	/	/	/	57	65
1	1.1	1.2	1.5	1.8	2.1	2.4	3
5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4
6.2	7.4	10	12.6	15.2	17.7	20.7	25.7
11.8	14.2	18	22.3	26.6	30.5	35	43
5	6	8	10	12	14	16	20
4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67
5.5	6.6	9	11	13.5	15.5	17.5	22
9.8	12.2	15.8	19.6	23.8	27.6	31.9	39.9
8.71	10.95	14.26	16.5	17.62	19.86	23.15	29.87
1.4	2	2	2	3	3	3	4
5.4	6.6	8.1	9.2	11.5	12.8	14.4	17.1
2	2.5	3.2	3.6	4.6	5.1	5.8	6.8
0.25	0.4	0.4	0.4	0.6	0.6	0.6	0.8
0.3	0.4	0.5	0.6	0.7	0.9	1	1.2
0.1	0.1	0.15	0.2	0.25	0.3	0.35	0.4
3	3.4	4.3	4.3	6.4	6.4	6.4	8.5
8	10	13	15	16	18	21	27
7.78	9.78	12.73	14.73	15.73	17.73	20.67	26.67
0.15	0.2	0.25	0.3	0.35	0.45	0.5	0.65
0.05	0.05	0.1	0.15	0.15	0.2	0.25	0.3

Length of Thread 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

Alternative history

DIN 6921 - 1983 DIN EN 1665 - 1998

Suppliers

Best price if from GlobalFastener.com.

Yuyao Hutson Metal Product Co., Ltd.

Ma Huazhen/Xu Tianyang
+86-13095941973, 18268663653
+86-574-62761228

Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

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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