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Click Specification

Unit:mm

Square wrench

JB /T 3411.35 - 1999

Display drawing:

机械行业JB /T3411.35 - 1999 JB3411.35 3411.3 Square wrench

Size

2

2.5

3

4

5

6

8

10

12

14

s	max=nominal size (h11)
	min
D
L
t
h

2	2.5	3	4	5	6	8	10	12	14
1.94	2.44	2.94	3.925	4.925	5.925	7.91	9.91	11.89	13.89
5	5	6	6	8	10	12	14	18	20
56	56	63	70	80	90	100	112	125	140
8	8	8	8	12	12	15	15	18	18
18	18	20	25	28	32	36	40	45	56

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