R275 Taper Pin Reamers, Sizes 7/0 to 11
Taper Pin Reamers Straight Flute, Series R275
HSS, Taper Pin Hand Reamers, Square Shank, Taper 1/4 Inch per Foot
dimensions may vary from different mfg.
| Size Number | Size Number | Shank Diameter(in.) | Diameter Small End | Diameter Large End | Length Overall(in.) | Length Flute(in.) |
|---|---|---|---|---|---|---|
| R275-7/0 | 7/0 | 5/64 | .0497 | .0666 | 1-13/16 | 13/16 |
| R275-6/0 | 6/0 | 3/32 | .0611 | .0806 | 1-15/16 | 15/16 |
| R275-5/0 | 5/0 | 7/64 | .0719 | .0966 | 2-3/16 | 1-3/16 |
| R275-4/0 | 4/0 | 1/8 | .0869 | .1142 | 2-5/16 | 1-5/16 |
| R275-3/0 | 3/0 | 9/64 | .1029 | .1302 | 2-5/16 | 1-5/16 |
| R275-2/0 | 2/0 | 5/32 | .1137 | .1462 | 2-9/16 | 1-9/16 |
| R275-0 | 0 | 11/64 | .1287 | .1638 | 2-15/16 | 1-11/16 |
| R275-1 | 1 | 3/16 | .1447 | .1798 | 2-15/16 | 1-11/16 |
| R275-2 | 2 | 13/64 | .1605 | .2008 | 3-3/16 | 1-15/16 |
| R275-3 | 3 | 15/64 | .1813 | .2294 | 3-11/16 | 2-5/16 |
| R275-4 | 4 | 17/64 | .2071 | .2604 | 4-1/16 | 2-9/16 |
| R275-5 | 5 | 5/16 | .2409 | .2994 | 4-5/16 | 2-13/16 |
| R275-6 | 6 | 23/64 | .2773 | .3540 | 5-7/16 | 3-11/16 |
| R275-7 | 7 | 13/32 | .3297 | .4220 | 6-5/16 | 4-7/16 |
| R275-8 | 8 | 7/16 | .3971 | .5050 | 7-3/16 | 5-3/16 |
| R275-9 | 9 | 9/16 | .4805 | .6066 | 8-5/16 | 6-1/16 |
| R275-10 | 10 | 5/8 | .5799 | .7216 | 9-5/16 | 6-13/16 |
