호칭방법

외경

외경허용치

두께

무게

유효 나사부 길이(㎜)

㎜

㎜

㎜

㎏/m

최대

최소

16

21.0

±0.3

2.3

1.06

19

16

22

26.5

±0.3

2.3

1.37

22

19

28

33.3

±0.3

2.5

1.90

25

22

36

41.9

±0.3

2.5

2.43

28

25

42

47.8

±0.3

2.5

2.79

28

25

54

59.6

±0.3

2.8

3.92

32

28

70

75.2

±0.3

2.8

5.00

36

32

82

87.9

±0.3

2.8

5.88

40

36

92

100.7

±0.4

3.5

8.39

42

36

104

113.4

±0.4

3.5

9.48

45

39

호칭

내경

외경

두께

소켓을 제외한길이

소켓을 포함한
10본의 최소무게

in.

in.

㎜

in.

㎜

in.

㎜

ft & in.

㎜

lb

㎏

⅜

0.493

12.5

0.675

17.1

0.091

2.31

9-11½

3.04

51.5

23.36

½

0.632

16.1

0.840

21.3

0.104

2.64

9-11¼

3.03

79.0

35.83

¾

0.836

21.2

1.050

26.7

0.107

2.72

9-11¼

3.03

105.0

47.63

1

1.063

27.0

1.315

33.4

0.126

3.20

9-11

3.02

153.0

69.40

1¼

1.394

35.4

1.660

42.2

0.133

3.38

9-11

3.02

201.0

91.17

1½

1.624

41.2

1.900

48.3

0.138

3.51

9-11

3.02

249.0

112.95

2

2.083

52.9

2.375

60.3

0.146

3.71

9-11

3.02

332.0

150.59

2½

2.489

63.2

2.875

73.0

0.193

4.90

9-10½

3.01

527.0

239.04

3

3.090

78.5

3.500

88.9

0.205

5.21

9-10½

3.01

682.6

309.63

3½

3.570

90.7

4.000

101.6

0.215

5.46

9-10¼

3.00

831.0

376.94

4

4.050

102.9

4.500

114.3

0.225

5.72

9-10¼

3.00

972.3

441.04

5

5.073

128.9

5.563

141.3

0.245

6.22

9-10

3.00

1313.6

595.85

6

6.093

154.8

6.625

168.3

0.266

6.76

9-10

3.00

1745.3

791.67