U.S. Type Grooved Closed Spelter Sockets (US417)

Diameter

Dimensions(mm)

(in)

A

B

C

D

F

J

H

1/4

11.43

12.7

38

22.4

9.7

57

13

5/16-3/8

124

16

43

24.6

12.7

57

18

7/16-1/2

138.2

18

51

30

14.2

64

22

9/16-5/8

160.3

1

67

36

19.5

76

25

3/4

192

27

76

42

20.6

89

32

7/8

222.3

32

92

48

23.9

102

38

1

251

35

105

58

28.7

114

44

1-1/8

279

38

114

65

31.8

127

51

1-1/4-1-3/9

308

41.4

135

71.4

38.1

140

57

1-1/2

354

49

135

81

41.4

152

64

1-5/8

384

54

146

83

44.5

165

70

1-3/4-1-7/8

438

56

171

95

51

191

76

2-2-1/8

495

62

194

111

57

216

83

2-1/4-2-3/8

537

67

216

127

63.5

229

92

2-1/2-2-5/8

597

79

241

140

73

248

102

2-3/4-2-7/8

645

79

273

159

79

279

124

3-3-1/8

686

83

392

171

86

305

133

3-1/4-3-3/8

743

102

311

184

92

330

146

3-1/2-3-5/8

787

102

330

197

98.6

356

159

3-3/4-4

845

108

362

216

108

381

178