d 
(inches)

d₂₆

l₅

l₃

l₄

d₁

n

m

l₁

l₂

min

max

min

max

1.000

4.000

2.187

0.812

2.208

1.625

1.875

2.750

3.500

1/2

1.125

1.250

1.125

4.125

2.312

0.812

2.333

1.750

2.000

2.875

3.625

1/2

1.125

1.250

1.250

4.250

2.437

0.812

2.458

1.875

2.125

3.000

3.750

1/2

1.125

1.250

1.375

4.250

2.625

0.812

2.645

2.000

2.250

3.187

3.750

1/2

1.125

1.250

1.500

4.500

2.812

0.875

2.833

2.250

2.500

3.375

4.000

1/2

1.125

1.312

1.625

4.750

2.937

0.875

2.958

2.375

2.625

3.500

4.250

1/2

1.125

1.312

1.750

5.000

3.062

0.937

3.083

2.500

2.750

3.625

4.500

1/2

1.187

1.375

1.875

5.250

3.187

0.937

3.207

2.625

2.875

3.750

4.750

1/2

1.187

1.375

2.000

5.500

3.312

1.000

3.333

2.750

3.000

4.000

4.875

5/8

1.187

1.437

2.125

5.750

3.437

1.000

3.458

2.875

3.125

4.125

5.125

5/8

1.187

1.437

2.250

6.500

3.750

1.000

3.895

3.000

3.375

4.562

5.750

3/4

1.187

1.437

2.375

6.500

3.750

1.000

3.895

3.125

3.375

4.562

5.750

3/4

1.187

1.437

2.500

7.000

4.375

1.000

4.770

3.375

4.000

5.187

6.250

3/4

1.125

1.625

2.625

7.000

4.375

1.000

4.770

3.500

4.000

5.187

6.250

3/4

1.125

1.625

2.750

7.000

4.375

1.000

4.770

3.625

4.000

5.187

6.250

3/4

1.125

1.625

2.875

7.500

4.937

1.250

5.145

3.750

4.500

5.750

6.750

3/4

1.187

2.000

3.000

7.500

4.937

1.250

5.145

3.875

4.500

5.750

6.750

3/4

1.187

2.000

3.125

7.500

4.937

1.250

5.145

4.000

4.500

5.750

6.750

3/4

1.187

2.000

3.250

8.000

5.312

1.250

5.520

4.125

4.875

6.125

7.250

3/4

1.187

2.000

3.375

8.000

5.312

1.250

5.520

4.250

4.875

6.125

7.250

3/4

1.187

2.000

3.500

8.000

5.312

1.250

5.520

4.375

4.875

6.125

7.250

3/4

1.187

2.000

3.625

8.500

5.687

1.250

5.895

4.500

5.250

6.500

7.750

3/4

1.187

2.000

3.750

8.500

5.687

1.250

5.895

4.625

5.250

6.500

7.750

3/4

1.187

2.000

3.875

8.500

5.687

1.250

5.895

4.750

5.250

6.500

7.750

3/4

1.187

2.000

4.000

9.000

6.062

1.250

6.145

4.875

5.500

6.875

8.250

3/4

1.187

2.000

d 
(mm)

d₂₆

l₅

l₃

l₄

d₁

n

m

l₁

l₂

min

max

min

max

24

101.6

55.6

20.7

56.1

40.0

48.0

69.9

88.9

12

28.6

31.8

25

101.6

55.6

20.7

56.1

41.0

48.0

69.9

88.9

12

28.6

31.8

28

104.8

58.8

20.7

59.3

44.0

50.0

73.1

92.1

12

28.6

31.8

30

108.0

61.9

20.7

62.4

46.0

54.0

76.2

95.3

12

28.6

31.8

32

108.0

61.9

20.7

62.4

48.0

54.0

76.2

95.3

12

28.6

31.8

33

108.0

61.9

20.7

62.4

49.0

55.0

76.2

95.3

12

28.6

31.8

35

108.0

66.7

20.7

67.2

51.0

59.0

81.0

95.3

12

28.6

31.8

38

114.3

71.5

22.3

72.0

57.2

62.0

85.8

101.6

12

28.6

33.4

40

114.3

71.5

22.3

72.0

58.0

64.0

85.8

101.6

12

28.6

33.4

43

120.7

74.6

22.3

75.1

61,0

67.0

88.9

108.0

12

28.6

33.4

45

127.0

77.8

23.8

78.3

63.5

69.0

92.1

114.3

12

30.2

35.0

48

133.4

81.0

23.8

81.5

66.7

72.0

95.3

120.7

12

30.2

35.0

50

133.4

81.0

23.8

81.5

68.0

74.0

95.3

120.7

12

30.2

35.0

53

139.7

84.2

25.4

84.7

71.0

77.0

101.6

123.9

16

30.2

36.5

55

146.1

87.3

25.4

87.8

74.0

79.0

104.8

130.2

16

30.2

36.5

58

165.1

95.3

25.4

98.9

79.4

85.7

115.9

146.0

20

30.2

36.5

60

165.1

95.3

25.4

98.9

79.4

85.7

115.9

146.0

20

30.2

36.5

63

177.8

111.2

25.4

121.2

85.8

101.6

131.8

158.7

20

28.6

41.2

65

177.8

111.2

25.4

121.2

88.9

101.6

131.8

158.7

20

28.6

41.2

68

177.8

111.2

25.4

121.2

92.1

101.6

131.8

158.7

20

28.6

41.2

70

177.8

111.2

25.4

121.2

92.1

101.6

131.8

158.7

20

28.6

41.2

75

190.5

125.4

31.7

130.7

98.5

114.3

146.1

171.4

20

30.2

50.8

80

190.5

125.4

31.7

130.7

101.6

114.3

146.1

171.4

20

30.2

50.8

85

203.2

135.0

31.7

140.2

108.0

123.8

155.6

184.1

20

30.2

50.8

90

215.9

144.5

31.7

149.7

114.3

133.3

165.1

196.8

20

30.2

50.8

95

215.9

144.5

31.7

149.7

117.5

133.3

165.1

196.8

20

30.2

50.8

100

228.6

154.0

31.7

156.1

123.9

139.7

174.7

209.5

20

30.2

50.8