Non sparking Hex key wrench

Number

S
mm

L
mm

H
mm

Be-Cu
g

Al-Cu
g

166-1.5
166-2
166-2.5
166-3
166-4
166-5
166-6
166-7
166-8
166-9
166-10
166-11
166-12
166-13
166-14
166-15
166-16
166-17
166-18
166-19
166-21
166-22
166-24
166-25
166-26
166-27
166-28
166-30
166-32
166-36
166-41

1.5
2
2.5
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
21
22
24
25
26
27
28
30
32
36
41

59

59

59

59

65

79

85

88

92

97

110

119

130

140

150

156

162

168

173

177

184

186

192

200

206

213

222

240

266

294

320

25

25

25

25

30

32

37

43

44

44

45

48

52

54

58

60

63

65

69

72

74

77

82

84

90

93

95

105

116

128

140

8

8

8

8

10

16

25

34

50

61

82

100

145

180

211

260

300

370

450

490

652

675

825

925

1025

1220

1350

1615

2065

2905

4120

6

6

6

6

8

12

20

30

45

55

70

90

130

160

191

230

270

335

402

445

595

615

755

840

940

1115

1235

1475

1885

2650

3760

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