Click Specification

Hexagon socket nuts

GB /T 2154 - 1991

Display drawing:

Thread Size
d

M10

M12

M16

M20

M24

D
H
s	Nominal Size
	max
	min
D₁
e	≈
h₁

10	14	18	22	25	30	38
16	20	25	30	40	50	60
6	8	10	14	17	22	27
6.095	8.115	10.115	14.142	17.23	22.275	27.275
6.02	8.025	10.025	14.032	17.05	22.065	27.065
7.5	9.5	12	17	20	26	32
8.6	9.15	11.43	16	19.44	25.15	30.85
5	7	9	11	13	16	22

Alternative history

GB /T 2154 - 1991 JB /T 8004.7 - 1999

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