GB 8262 - 1987 Bolts, round head with oval neck

Unit: mm

国标GB 8262 - 1987 GB8262 8262GB Bolts, round head with oval neck

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

Nominal Diameter
d

M12

M14

M16

M18

M20

M22

M24

M27

M30

d_k	max=nominal size
	min
k	max=nominal size
	min
R	Nominal Size
	min
	max
y	Nominal Size
	min
	max
h	Nominal Size
	min
	max
d_s	max=nominal size
	min
z
c
r₁
r	≥

21	24	28	31	35	39	42	47	53
20.48	23.48	27.48	30.38	34.38	38.38	41.38	46.38	52.26
9	10	11	12	13	15.5	17.5	19.5	21.5
8.64	9.64	10.57	11.57	12.57	15.07	17.07	18.98	20.98
6	7	8	9	10	11	12	13.5	15
5.82	6.82	7.82	8.82	9.82	10.785	11.785	13.285	14.785
6.18	7.18	8.18	9.18	10.18	11.215	12.215	13.715	15.215
17	20	23	26	29	31	34	38	42
16.785	19.785	22.74	25.74	28.74	30.69	33.69	37.69	41.69
17.215	20.215	23.26	26.26	29.26	31.31	34.31	38.31	42.31
8	9	10	11	12	14	16	18	20
7.82	8.82	9.82	10.785	11.785	13.785	15.785	17.785	19.74
8.18	9.18	10.18	11.215	12.215	14.215	16.215	18.215	20.26
12	14	16	18	20	22	24	27	30
11.57	13.57	15.57	17.57	19.48	21.48	23.48	26.48	29.48
2	2	2	2.5	2.5	2.5	3	4	4
1	1	1	1	1	1.5	1.5	1.5	1.5
11	13	15	17	19	21	23	25	28
0.6	0.6	0.6	0.6	0.8	0.8	0.8	1	1

Length of Thread b

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-

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-

-

-

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Similar Standards

1		[GB] GB 5098 - 1985	High Strength Joint Bolt For Railway - 10.9 grade
2		[GB] GB /T 5098 - 1985	High Strength Joint Bolt For Railway - 8.8 grade
3		[DIN] DIN 5903-1 - 2011	Fish Bolts - Part 1: with Round Head and Oval Neck
4		[DIN] DIN 5903-1 - 1997	Fish Bolts - Part 1: with Round Head and Oval Neck
5		[DIN] DIN 21547 - 1988	Round Head Bolts With Oval Shoulder For Mine Supports
6		[JIS] JIS E 1107 - 2008	Flshbolt Profile
7		[BS] BS 325 - 1947	Black Cup Oval Neck Bolts
8		[AS] AS 1085.4 - 2002 (R2013)	Railway Track Material - Fishbolts
9		[ASME] ASME B 18.10 - 2006 (R2016)	Elliptic Neck Track Bolts [Table 2] (A449, A354)
10		[ASME] ASME B 18.10 - 2006	Oval Neck Track Bolts [Table 1] (A449, A354)