公称尺寸
d  

全长
L

刃长
I

公称尺寸
d  

全长
L

刃长
I

1/4"-20

2-1/2

1

1/4"-28

2-1/2

1

5/16"-18

2-23/32

1-1/8

5/16"-24

2-23/32

1-1/8

3/8"-16

2-15/16

1-1/4

3/8"-24

2-15/16

1-1/4

7/16"-14

3-5/32

1-7/16

7/16"-20

3-5/32

1-7/16

1/2"-13

3-3/8

1-21/32

1/2"-20

3-3/8

1-21/32

9/16"-12

3-19/32

1-21/32

9/16"-18

3-19/32

1-21/32

5/8"-11

3-13/16

1-13/16

5/8"-18

3-13/16

1-13/32

3/4"-10

4-1/4

2

3/4"-16

4-1/4

2

7/8"-9

4-11/16

2-7/32

7/8"-14

4-11/16

2-7/32

1"-8

5-1/8

2-1/2

1"-12

5-11/18

2-1/2

1-1/8"-7

5-7/16

2-9/16

1-1/8"-12

5-7/16

2-9/16

1-1/4"-7

5-3/4

2-9/16

1-1/4"-12

5-3/4

2-9/16

1-3/8"-6

6-1/16

3

1-3/8"-12

6-1/16

3

1-1/2"-6

6-3/8

3

1-1/2"-6

6-3/8

3