Size(d)

#6

#8

#10

1/4

5/16

3/8

7/16

1/2

5/8

3/4

UNC

UNF

32

40

32

36

24

32

20

28

18

24

16

24

14

20

13

20

11

18

10

16

B

Keys

1/16

5/64

3/32

1/8

5/32

3/16

7/32

1/4

5/16

3/8

Max

1.633

2.030

2.438

3.225

4.030

4.826

5.631

6.426

8.026

9.626

Min

1.588

1.983

2.380

3.175

3.967

4.763

5.555

6.350

7.938

9.525

M

Min

2.10

2.40

2.65

3.30

4.05

4.90

5.65

6.45

8.0

9.65

Cup point

Max

1.88

2.20

2.59

3.35

4.37

5.38

6.40

7.39

9.42

11.43

Min

1.63

1.93

2.24

3.0

3.96

4.93

5.89

6.86

8.81

10.80

Flat point

Max

1.88

2.20

2.59

3.35

4.37

5.38

6.40

7.39

9.42

11.43

Min

1.63

1.93

2.24

3.0

3.96

4.93

5.89

6.86

8.81

10.80

Dog Point

Max

2.34

2.77

3.32

3.96

5.16

6.35

7.54

8.73

11.91

12.70

Min

2.21

2.62

3.05

3.78

4.95

6.12

7.29

8.48

11.58

11.92

Oval Point

Max

3.42

3.90

4.39

5.56

6.72

7.92

9.12

10.31

12.70

15.06

Min

2.64

3.12

3.61

4.78

5.94

7.14

8.34

9.53

11.92

14.28

                    Min

Torque         ll/M

11

23

40

94

183

317

502

750

1460

2520

Size

(d)

L

1/8

3/16

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

11/4

11/2

2

21/2

3

31/2

4

41/2

5

51/2

6

#6

#8

#10

1/4

5/16

3/8

7/16

1/2

5/8

3/4