Best-selling non-sparking heavy duty socket 1/2"

Number

S
mm

L
mm

C
inch

Be-Cu
g

Al-Cu
g

104-02
104-04
104-06
104-08
104-10
104-12
104-14
104-16
104-18
104-20
104-22
104-24
104-26
104-28
104-30

5/16
3/8
7/16
1/2
9/16
5/8
11/16
3/4
13/16
7/8
15/16
1
1-1/16
1-1/4
1-7/16

40
40
40
40
40
40
40
42
43
43
43
43
46
46
50

1/2

70
78
79
80
80
88
93
110
125
130
165
190
215
295
330

70
71
72
73
73
80
85
100
110
115
145
170
190
260
300

Beryllium copper:  GBEx ⅡC

Be: 1.8% - 2.3%

Ni: 0.2% - 0.5%

Others: < 0.5%

Cu: Rest

Hardness: 35-40 HRC (HB283-365)

Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2

Aluminum bronze: GBEx ⅡB

Al: 10% - 12%

Ni: 4% - 6%

Fe+Mn: < 5.8%

Cu: Rest

Hardness: 20-30 HRC (HB229-291)

Tensile Strength: 782 N/mm2 ~ 989 N/mm2