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Mortise Router Bits
Mortise Bits
| Cutting Diameter | Cutting Length | Overall Length | Part Number |
| 1/4" SHANK | |||
| 1/2" | 3/4" | 2 1/8" | 1300 |
| 5/8" | 3/4" | 2 1/8" | 1301 |
| 3/4" | 3/4" | 2 1/8" | 1302 |
| 1 1/4" | 1/2" | 2 1/8" | 1303 |
| 1/2" SHANK | |||
| 3/4" | 5/8" | 2 1/4" | 1302A |
| 1 1/4" | 1/2" | 2 1/8" | 1304 |
If you need a square corner on your mortise, use Whiteside's Square Corner Chisel.
| Screw Type Helix Mortise |
| With Downshear - Cutter Only |
| Cutting Diameter | Cutting Length | Overall Length | Part Number | |
| Fractional | Decimal | |||
| 1/2" | 0.5 | 5/8" | 7/8" | 13-500 |
| 33/64" | 0.515 | 5/8" | 7/8" | 13-515 |
| 17/32" | 0.531 | 5/8" | 7/8" | 13-531 |
| 9/16" | 0.562 | 5/8" | 7/8" | 13-562 |
| 5/8" | 0.625 | 5/8" | 7/8" | 13-625 |
| 41/64" | 0.64 | 5/8" | 7/8" | 13-640 |
| 21/32" | 0.656 | 5/8" | 7/8" | 13-656 |
| 11/16" | 0.687 | 5/8" | 7/8" | 13-687 |
| 23/32" | 0.719 | 5/8" | 7/8" | 13-719 |
| 3/4" | 0.75 | 5/8" | 7/8" | 13-750 |
| 49/64" | 0.765 | 5/8" | 7/8" | 13-765 |
| 25/32" | 0.781 | 5/8" | 7/8" | 13-781 |
| 13/16" | 0.812 | 5/8" | 7/8" | 13-812 |
| 7/8" | 0.875 | 5/8" | 7/8" | 13-875 |
| 15/16" | 0.937 | 5/8" | 7/8" | 13-937 |
| 1" | 1 | 1/2" | 1/2" | 13-1000 |
| 1 1/8" | 1.125 | 1/2" | 1/2" | 13-1125 |
| 1 1/4" | 1.25 | 1/2" | 1/2" | 13-1250 |
| 1 1/4" | 1.25 | 1/2" | 1/2" | *13-1250A |
Helix Mortise Arbors
| Shank Diameter | Thread | Overall Length | Part Number |
| 1/4" | 1/4"-28 | 1 3/4" | HMA-1/4 |
| 1/2" | 1/4"-28 | 1 3/4" | HMA-1/2 |
| 1/4" | 5/16"-24 | 1 3/4" | * HMA-1/4A |
| 1/2" | 5/16"-24 | 1 3/4" | * HMA-1/2A |
* Fits #13-1250A only
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