A-A-51137 Tool Holders, Boring Tool And Boring Bar, LatheThis commercial item description CID covers tool holders that are designed to hold and support boring tools and boring bars used on metalworking lathes.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7

Tool holder size

Thickness of shank (inches)

Height of shank (inches)

Length of shank (inches)

Diameter boring bar accommodated (inches1)

29

5/16

3/4

3

1/2

30

3/8

7/8

3-1/8

5/8

31

1/2

1-1/8

3-1/2

3/4

32

5/8

1-3/8

4-1/8

1

33

3/4

1-5/8

4-3/4

1-1/4

34

7/8

1-3/4

5-1/4

1-5/16

35

1

2

6

1-1/2

Tool holder size

Diameter of T-slot flange (inches)

Thickness of T-slot flange (inches)

Diameter range of boring bar (inches1)

Span of ring adjustment (inches)

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

40

2-15/16

3-1/16

19/32

21/32

1/2

1-15/16

1-7/16

1-15/16

41

3-7/16

3-9/16

23/32

25/32

1/2

1-1/2

1-11/16

2-5/16

42

4-3/16

4-5/16

27/32

29/32

5/8

1-13/16

2-1/16

2-7/8

43

4-15/16

5-1/16

1-1/32

1-3/32

3/4

2-1/4

2-3/8

3-1/4

Tool holder size

Diameter of T-slot flange (inches)

Thickness of T-slot flange (inches)

Width of flange flat (inches)

Diameter of boring bars furnished (inches1)

Min.

Max.

Min.

Max.

Min.

Max.

Small

Medium

Large

50

1-15/16

2-1/16

11/32

13/32

1-7/32

1-9/32

3/82

1/2

3/4

51

2-7/16

2-5/8

13/32

1/2

1-15/16

2-1/8

1/2

5/8

3/4

52

3

3-1/4

19/32

11/16

2-7/16

2-5/8

1/2

3/4

1-1/4

53

3-7/16

3-5/8

23/32

13/16

2-15/16

3-1/8

5/8

1

1-1/4

54

4-3/16

4-3/8

27/32

15/16

3-7/16

3-5/8

3/4

1-1/4

1-1/2