Screw Machine Drills - Fractional Sizes

High Speed Steel
135° Self-Centering Split Point
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| Fractional Sizes | Black Oxide 135° Split Point |
Cobalt HSS 135° Split Point |
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| Dia. | Dec Equiv |
OAL | Part Number | Part Number |
| 1/16 | .0625 | 1-5/8 | PTD-1/16-SHBS | PTD-1/16-SCGS |
| 5/64 | .0781 | 1-11/16 | PTD-5/64-SHBS | PTD-5/64-SCGS |
| 3/32 | .0938 | 1-3/4 | PTD-3/32-SHBS | PTD-3/32-SCGS |
| 7/64 | .1094 | 1-13/16 | PTD-7/64-SHBS | PTD-7/64-SCGS |
| 1/8 | .1250 | 1-7/8 | PTD-1/8-SHBS | PTD-1/8-SCGS |
| 9/64 | .1406 | 1-15/16 | PTD-9/64-SHBS | PTD-9/64-SCGS |
| 5/32 | .1562 | 2-1/16 | PTD-5/32-SHBS | PTD-5/32-SCGS |
| 11/64 | .1719 | 2-1/8 | PTD-11/64-SHBS | PTD-11/64-SCGS |
| 3/16 | .1875 | 2-3/16 | PTD-3/16-SHBS | PTD-3/16-SCGS |
| 13/64 | .2031 | 2-1/4 | PTD-13/64-SHBS | PTD-13/64-SCGS |
| 7/32 | .2188 | 2-3/8 | PTD-7/32-SHBS | PTD-7/32-SCGS |
| 15/64 | .2344 | 2-7/16 | PTD-15/64-SHBS | PTD-15/64-SCGS |
| 1/4 | .2500 | 2-1/2 | PTD-1/4-SHBS | PTD-1/4-SCGS |
| 17/64 | .2656 | 2-5/8 | PTD-17/64-SHBS | PTD-17/64-SCGS |
| 9/32 | .2812 | 2-11/16 | PTD-9/32-SHBS | PTD-9/32-SCGS |
| 19/64 | .2969 | 2-3/4 | PTD-19/64-SHBS | PTD-19/64-SCGS |
| 5/16 | .3125 | 2-13/16 | PTD-5/16-SHBS | PTD-5/16-SCGS |
| 21/64 | .3281 | 2-15/16 | PTD-21/64-SHBS | PTD-21/64-SCGS |
| 11/32 | .3438 | 3 | PTD-11/32-SHBS | PTD-11/32-SCGS |
| 23/64 | .3594 | 3-1/16 | PTD-23/64-SHBS | PTD-23/64-SCGS |
| 3/8 | .3750 | 3-1/8 | PTD-3/8-SHBS | PTD-3/8-SCGS |
| 25/64 | .3906 | 3-1/4 | PTD-25/64-SHBS | PTD-25/64-SCGS |
| 13/32 | .4062 | 3-5/16 | PTD-13/32-SHBS | PTD-13/32-SCGS |
| 27/64 | .4219 | 3-3/8 | PTD-27/64-SHBS | PTD-27/64-SCGS |
| 7/16 | .4375 | 3-7/16 | PTD-7/16-SHBS | PTD-7/16-SCGS |
| 29/64 | .4531 | 3-9/16 | PTD-29/64-SHBS | PTD-29/64-SCGS |
| 15/32 | .4688 | 3-5/8 | PTD-15/32-SHBS | PTD-15/32-SCGS |
| 31/64 | .4844 | 3-11/16 | PTD-31/64-SHBS | PTD-31/64-SCGS |
| 1/2 | .5000 | 3-3/4 | PTD-1/2-SHBS | PTD-1/2-SCGS |
| 33/64 | .5156 | 3-7/8 | - | PTD-33/64-SCGS |
| 17/32 | .5312 | 3-7/8 | - | PTD-17/32-SCGS |
| 35/64 | .5469 | 4 | - | PTD-35/64-SCGS |
| 9/16 | .5625 | 4 | - | PTD-9/16-SCGS |
| 37/64 | .5781 | 4-1/8 | - | PTD-37/64-SCGS |
| 19/32 | .5938 | 4-1/8 | - | PTD-19/32-SCGS |
| 39/64 | .6094 | 4-1/4 | - | PTD-39/64-SCGS |
| 5/8 | .6250 | 4-1/4 | - | PTD-5/8-SCGS |
| 41/64 | .6406 | 4-1/2 | - | PTD-41/64-SCGS |
| 21/32 | .6562 | 4-1/2 | - | PTD-21/32-SCGS |
| 43/64 | .6719 | 4-5/8 | - | PTD-43/64-SCGS |
| 11/16 | .6875 | 4-5/8 | - | PTD-11/16-SCGS |
| 45/64 | .7031 | 4-3/4 | - | PTD-45/64-SCGS |
| 23/32 | .7188 | 4-3/4 | - | PTD-23/32-SCGS |
| 47/64 | .7344 | 5 | - | PTD-47/64-SCGS |
| 3/4 | .7500 | 5 | - | PTD-3/4-SCGS |