HSS TAPER PIN REAMER STRAIGHT FLUTE 

RIGHT HAND CUT  FRACTIONAL SIZE

taper pin reamers

　　Taper pin reamers are made with a taper of 1/4" per foot. They are used to ream holes into which standard taper pins will fits. The point of taper pin reamer will enter hole reamed by next smaller size. Hole to be reamed should a few thousandths smaller than the small diameter of the finished reamed hole.

Size Number

Shank Diameter (in.)

Diameter Small End

Diameter Large End

Length Overall (in.)

Length Flute (in.)

7/0

5/64

.0497

.0666

1-13/16

13/16

6/0

3/32

.0611

.0806

1-15/16

15/16

5/0

7/64

.0719

.0966

2-3/16

1-3/16

4/0

1/8

.0869

.1142

2-5/16

1-5/16

3/0

9/64

.1029

.1302

2-5/16

1-5/16

2/0

5/32

.1137

.1462

2-9/16

1-9/16

0

11/64

.1287

.1638

2-15/16

1-11/16

1

3/16

.1447

.1798

2-15/16

1-11/16

2

13/64

.1605

.2008

3-3/16

1-15/16

3

15/64

.1813

.2294

3-11/16

2-5/16

4

17/64

.2071

.2604

4-1/16

2-9/16

5

5/16

.2409

.2994

4-5/16

2-13/16

6

23/64

.2773

.3540

5-7/16

3-11/16

7

13/32

.3297

.4220

6-5/16

4-7/16

8

7/16

.3971

.5050

7-3/16

5-3/16

9

9/16

.4805

.6066

8-5/16

6-1/16

10

5/8

.5799

.7216

9-5/16

6-13/16