Click Specification

The parts and units of jigs and fixtures Multiple handle nut

GB /T 2157 - 1991

Display drawing:

Thread Size
d

M12

M16

M20

M24

M30

D
D₁
D₂
H
H1

25	32	38	45	52
234	241	298	308	385
196	204	255	265	350
59	63	80	85	105
59	65	80	85	104

Alternative history

GB /T 2157 - 1991 JB 8004.10 - 1995

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