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Brown & Sharpe Taper Extended Length

Brown & Sharpe Tapers were introduced by the Brown & Sharpe Manufacturing Company and have a nominal taper-per-foot of 1/2 inch. In reality, the tapers are not exact to the specification, but range in size from .49973 to .51612 taper-per-foot. Stark Industrial extended length centers are made of bearing quality 52100 steel, heat treated to 60 - 64 Rc, and guaranteed to have .0002 or less total-indicator-runout. Also available are standard carbide tipped centers with 52100 steel shanks hardened to 45 - 50 Rc.

Taper Size

OAL

Taper Length

Diameter

Carbide Tip Dia

Height Above Center

Length of Cut Out

7

5-3/8

2-7/8

.720

3/8

7/32

1-1/8

Brown Sharpe Taper Extended Length - Size 7

Type	Part Number	Weight
52100 Steel Full	54210	2.58
52100 Steel Half	55210	2.56
Carbide Tipped Full	56210	2.73
Carbide Tipped Half	57210	2.70

7

6-3/8

2-7/8

.720

3/8

7/32

1-1/8

Brown Sharpe Taper Extended Length - Size 7

Type	Part Number	Weight
52100 Steel Full	54220	2.69
52100 Steel Half	55220	2.66
Carbide Tipped Full	56220	2.82
Carbide Tipped Half	57220	2.78

7

7-3/8

2-7/8

.720

3/8

7/32

1-1/8

Brown Sharpe Taper Extended Length - Size 7

Type	Part Number	Weight
52100 Steel Full	54230	2.81
52100 Steel Half	55230	2.77
Carbide Tipped Full	56230	3.05
Carbide Tipped Half	57230	3.00

8

6-7/16

3-9/16

.898

1/2

9/32

1-3/8

Brown Sharpe Taper Extended Length - Size 8

Type	Part Number	Weight
52100 Steel Full	54211	3.45
52100 Steel Half	55211	3.38
Carbide Tipped Full	56211	3.36
Carbide Tipped Half	57211	3.30

8

7-7/16

3-9/16

.898

1/2

9/32

1-3/8

Brown Sharpe Taper Extended Length - Size 8

Type	Part Number	Weight
52100 Steel Full	54221	3.67
52100 Steel Half	55221	3.59
Carbide Tipped Full	56221	3.85
Carbide Tipped Half	57221	3.76

8

8-7/16

3-9/16

.898

1/2

9/32

1-3/8

Brown Sharpe Taper Extended Length - Size 8

Type	Part Number	Weight
52100 Steel Full	54231	3.95
52100 Steel Half	55231	3.86
Carbide Tipped Full	56231	3.78
Carbide Tipped Half	57231	3.70

9

7-1/2

4-1/4

1.077

1/2

9/32

2

Brown Sharpe Taper Extended Length - Size 9

Type	Part Number	Weight
52100 Steel Full	54212	4.64
52100 Steel Half	55212	4.51
Carbide Tipped Full	56212	4.89
Carbide Tipped Half	57212	4.75

9

8-1/2

4-1/4

1.077

1/2

9/32

2

Brown Sharpe Taper Extended Length - Size 9

Type	Part Number	Weight
52100 Steel Full	54222	5.56
52100 Steel Half	55222	5.39
Carbide Tipped Full	56222	4.38
Carbide Tipped Half	57222	4.27

9

9-1/2

4-1/4

1.077

1/2

9/32

2

Brown Sharpe Taper Extended Length - Size 9

Type	Part Number	Weight
52100 Steel Full	54232	5.99
52100 Steel Half	55232	5.80
Carbide Tipped Full	56232	6.12
Carbide Tipped Half	57232	5.92

10C

9-9/16

5-11/16

1.289

1/2

9/32

2-1/4

Brown Sharpe Taper Extended Length - Size 10C

Type	Part Number	Weight
52100 Steel Full	54214	5.46
52100 Steel Half	55214	5.29
Carbide Tipped Full	56214	5.28
Carbide Tipped Half	57214	5.12

10C

10-9/16

5-11/16

1.289

1/2

9/32

2-1/4

Brown Sharpe Taper Extended Length - Size 10C

Type	Part Number	Weight
52100 Steel Full	54224	5.80
52100 Steel Half	55224	5.61
Carbide Tipped Full	56224	5.82
Carbide Tipped Half	57224	5.63

10C

11-9/16

5-11/16

1.289

1/2

9/32

2-1/4

Brown Sharpe Taper Extended Length - Size 10C

Type	Part Number	Weight
52100 Steel Full	54234	6.12
52100 Steel Half	55234	5.92
Carbide Tipped Full	56234	6.22
Carbide Tipped Half	57234	6.01

11C

11-1/8

6-3/4

1.531

5/8

11/32

2-1/2

Brown Sharpe Taper Extended Length - Size 11C

Type	Part Number	Weight
52100 Steel Full	54216	5.92
52100 Steel Half	55216	5.73
Carbide Tipped Full	56216	7.30
Carbide Tipped Half	57216	7.04

11C

12-1/8

6-3/4

1.531

5/8

11/32

2-1/2

Brown Sharpe Taper Extended Length - Size 11C

Type	Part Number	Weight
52100 Steel Full	54226	7.92
52100 Steel Half	55226	7.63
Carbide Tipped Full	56226	8.00
Carbide Tipped Half	57226	7.70

11C

13-1/8

6-3/4

1.531

5/8

11/32

2-1/2

Brown Sharpe Taper Extended Length - Size 11C

Type	Part Number	Weight
52100 Steel Full	54236	8.19
52100 Steel Half	55236	7.89
Carbide Tipped Full	56236	8.83
Carbide Tipped Half	57236	8.49

12

12-1/8

7-1/8

1.797

5/8

11/32

3-1/4

Brown Sharpe Taper Extended Length - Size 12

Type	Part Number	Weight
52100 Steel Full	54217	9.68
52100 Steel Half	55217	9.30
Carbide Tipped Full	56217	9.76
Carbide Tipped Half	57217	9.38

12

13-1/8

7-1/8

1.797

5/8

11/32

3-1/4

Brown Sharpe Taper Extended Length - Size 12

Type	Part Number	Weight
52100 Steel Full	54227	9.32
52100 Steel Half	55227	8.96
Carbide Tipped Full	56227	9.93
Carbide Tipped Half	57227	9.54

12

14-1/8

7-1/8

1.797

5/8

11/32

3-1/4

Brown Sharpe Taper Extended Length - Size 12

Type	Part Number	Weight
52100 Steel Full	54237	9.51
52100 Steel Half	55237	9.14
Carbide Tipped Full	56237	10.11
Carbide Tipped Half	57237	9.71

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Stark Industrial, LLC

PO Box 3030
North Canton, Ohio 44720

P: 330.966.8108
800.362.9732
F: 330.966.5110

© Copyright 2024 Stark Industrial, LLC.
All rights reserved.

© Copyright 2024 Stark Industrial, LLC.
All rights reserved.