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Click Specification

Unit:mm

Combination Wrench

GB /T 4388 - 2008

Display drawing:

国标GB /T4388 - 2008 GB4388 4388GB Combination Wrench

Size

3.2

4

5

5.5

6

7

8

9

10

11

12

13

s
e₁	max
e₂	max
L	min

3.2	4	5	5.5	6	7	8	9	10	11	12	13
5	5.5	6	6.3	6.5	7	8	8.5	9	9.5	10	11
3.3	3.5	4	4.2	4.5	5	5	5.5	6	6.5	7	7
55	55	65	70	75	80	90	100	110	115	125	135

Size

14

15

16

17

18

19

20

21

22

23

24

25

s
e₁	max
e₂	max
L	min

14	15	16	17	18	19	20	21	22	23	24	25
11.5	12	12.5	13	14	14.5	15	15.5	16	16.5	17.5	18
7.5	8	8	8.5	9	9	9.5	10	10.5	10.5	11	11.5
145	150	160	170	180	185	200	205	215	220	230	240

Size

26

27

28

29

30

31

32

34

36

41

46

50

s
e₁	max
e₂	max
L	min

26	27	28	29	30	31	32	34	36	41	46	50
18.5	19	19.5	20	20	20.5	21	22.5	23.5	26.5	29.5	32
12	12.5	12.5	13	13.5	14	14.5	15	15.5	17.5	19.5	21
245	255	270	280	285	290	300	320	335	380	425	460

Similar Standards

1		[GB] GB /T 4388 - 2008	Two-Head Open-End Wrench
2		[GB] GB /T 14765 - 2008	Four-Way Socket Wrenches
3		[GB] GB /T 4388 - 2008	Deep-Offset Box Wrench
4		[GB] GB /T 4388 - 2008	Two-Head Box Wrenches
5		[GB] GB /T 4388 - 2008	Open End Wrench
6		[GB] GB /T 4388 - 2008	Box Wrenches