Featuring Black & Gold Oxide finish to minimize friction and improve lubricity, these Silver & Deming Drills feature a 3-inch flute length, 118° split point, and 3 flats on the shank to prevent spinning in a 3 Jaw Chuck.
| Drill Diameter | Flute Length | Overall Length | Shank Diameter | |
|---|---|---|---|---|
| dec.equiv. D1 | size | L2 | L1 | D2 |
| .5156 | 33/64 | 3 | 6 | 1/2 |
| .5313 | 17/32 | 3 | 6 | 1/2 |
| .5469 | 35/64 | 3 | 6 | 1/2 |
| .5625 | 9/16 | 3 | 6 | 1/2 |
| .5781 | 37/64 | 3 | 6 | 1/2 |
| .5938 | 19/32 | 3 | 6 | 1/2 |
| .6094 | 39/64 | 3 | 6 | 1/2 |
| .6250 | 5/8 | 3 | 6 | 1/2 |
| .6406 | 41/64 | 3 | 6 | 1/2 |
| .6563 | 21/32 | 3 | 6 | 1/2 |
| .6719 | 43/64 | 3 | 6 | 1/2 |
| .6875 | 11/16 | 3 | 6 | 1/2 |
| .7031 | 45/64 | 3 | 6 | 1/2 |
| .7188 | 23/32 | 3 | 6 | 1/2 |
| .7344 | 47/64 | 3 | 6 | 1/2 |
| .7500 | 3/4 | 3 | 6 | 1/2 |
| .7656 | 49/64 | 3 | 6 | 1/2 |
| .7813 | 25/32 | 3 | 6 | 1/2 |
| .7969 | 51/64 | 3 | 6 | 1/2 |
| .8125 | 13/16 | 3 | 6 | 1/2 |
| .8281 | 53/64 | 3 | 6 | 1/2 |
| .8438 | 27/32 | 3 | 6 | 1/2 |
| .8594 | 55/64 | 3 | 6 | 1/2 |
| .8750 | 7/8 | 3 | 6 | 1/2 |
| .8906 | 57/64 | 3 | 6 | 1/2 |
| .9063 | 29/32 | 3 | 6 | 1/2 |
| .9219 | 59/64 | 3 | 6 | 1/2 |
| .9375 | 15/16 | 3 | 6 | 1/2 |
| .9531 | 61/64 | 3 | 6 | 1/2 |
| .9688 | 31/32 | 3 | 6 | 1/2 |
| .9844 | 63/64 | 3 | 6 | 1/2 |
| 1.0000 | 1 | 3 | 6 | 1/2 |
