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GB/T 5356-1998
Hexagon scoket screw keys
Nom
s max
s min
e max
e min
L1
L2
2
2.00
1.96
2.25
2.18
50
16
2.5
2.50
2.46
2.82
2.75
56
18
3
3.00
2.96
3.39
3.31
63
20
4
4.00
3.95
4.53
4.44
70
25
5
5.00
4.95
5.67
5.58
80
28
6
6.00
5.95
6.81
6.71
90
32
7
7.00
6.94
7.95
7.84
95
34
8
8.00
7.94
9.09
8.97
100
36
10
10.00
9.94
11.37
11.23
112
40
12
12.00
11.89
13.65
13.44
125
45
14
14.00
13.89
15.93
15.70
140
56
17
17.00
16.89
19.35
19.09
160
63
19
19.00
18.87
21.63
21.32
180
70
22
22.00
21.87
25.05
24.71
200
80
24
24.00
23.87
27.33
26.97
224
90
27
27.00
26.87
30.75
30.36
250
100
32
32.00
31.84
36.45
35.98
315
125
36
36.00
35.84
41.01
40.50
355
140
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