Click Specification

(Non-preferred) dimensions in parentheses.

Two-head Open-end Wrench

GB /T 4388 - 2008

Display drawing:

Size

3.2
×4

4
×5

5
×5.5

5.5
×7

(6)
×7

7
×8

(8)
×9

8
×10

(9)
×11

10
×11

(10)
×12

10
×13

11
×13

(12)
×13

(12)
×14

s₁
s₂
e	max
L	Short	min
	Long	min

3.2	4	5	5.5	6	7	8	8	9	10	10	10	11	12	12
4	5	5.5	7	7	8	9	10	11	11	12	13	13	13	14
3	3.5	3.5	4.5	4.5	4.5	5	5.5	6	6	6.5	7	7	7	7
72	78	85	89	92	99	106	106	113	120	120	120	127	134	134
81	87	95	99	103	111	119	119	127	135	135	135	143	151	159

Size

(13)
×14

13
×15

13
×16

(13)
×17

(14)
×15

(14)
×16

(14)
×17

15
×16

(15)
×18

(16)
×17

16
×18

(17)
×19

(18)
×19

18
×21

(19)
×22

s₁
s₂
e	max
L	Short	min
	Long	min

13	13	13	13	14	14	14	15	15	16	16	17	18	18	19
14	15	16	17	15	16	17	16	18	17	18	19	19	21	22
7	7.5	8	8.5	7.5	8	8.5	8	8.5	8.5	8.5	9	9	10	10.5
141	141	141	141	148	148	148	155	155	162	162	169	176	176	183
159	159	159	159	167	167	167	175	175	183	183	191	199	199	207

Size

(19)
×24

(20)
×22

(21)
×22

(21)
×23

21
×24

(22)
×24

(24)
×26

24
×27

(24)
×30

(25)
×28

(27)
×29

27
×30

(27)
×32

(30)
×32

30
×34

s₁
s₂
e	max
L	Short	min
	Long	min

19	20	21	21	21	22	24	24	24	25	27	27	27	30	30
24	22	22	23	24	24	26	27	30	28	29	30	32	32	34
11	10	10	10.5	11	11	11.5	12	13	12	12.5	13	13.5	13.5	14
183	190	202	202	202	209	223	223	223	230	214	244	244	265	265
207	215	223	223	223	231	247	247	247	255	271	271	271	295	295

Size

(30)
×36

(32)
×34

(32)
×36

34
×36

36
×41

41
×46

46
×50

50
×55

55
×60

60
×65

65
×70

70
×75

75
×80

s₁
s₂
e	max
L	Short	min
	Long	min

30	32	32	34	36	41	46	50	55	60	65	70	75
36	34	36	36	41	46	50	55	60	65	70	75	80
14.5	14	14.5	14.5	16	17.5	19	20.5	22	23	24	25.5	27
265	284	284	298	312	357	392	420	455	490	525	560	600
295	311	311	327	343	383	423	455	495	-	-	-	-

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