Mortise Router Bits
Place your order for Whiteside Router bits before 2:30pm ET Mon-Fri to have your order ship same Day!
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 |
*13-1250A supplied with 5/16"-24 threads All others supplied with 1/4"-28 threads.
Special Cutting Diameters Available by Special Order.
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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Whiteside
Threaded Mortise Arbor, 1/4 Shank, 5/16-24 Thread, Whiteside HMA-1/4AHelix Mortise Arbors, 1/4 Shank - Whiteside HMA-1/4A; 1/4 Shank, 15/16 -24 Thread, 1-3/4 Overall Len…
MSRP: $6.61$5.62 -
Whiteside
Threaded Mortise Arbor, 1/4 Shank, 1/4-28 Thread, Whiteside HMA-1/4Helix Mortise Arbors, 1/4 Shank - Whiteside HMA-1/4; 1/4 -28 Thread, 1-3/4 Overall Length Whiteside…
MSRP: $6.61$5.62 -
Whiteside
Threaded Mortise Arbor, 1/2 Shank, 5/16-24 Thread, Whiteside HMA-1/2AHelix Mortise Arbors, 1/2 Shank - Whiteside HMA-1/2A; 1/2 Shank, 5/16 -24 Thread, 1-3/4 Overall Leng…
MSRP: $6.61$5.62 -
Whiteside
Threaded Mortise Arbor, 1/2 Shank, 1/4-28 Thread, Whiteside HMA-1/2Helix Mortise Arbors, 1/2 Shank - Whiteside HMA-1/2; 1/4 -28 Thread, 1-3/4 Overall Length Whiteside…
MSRP: $6.61$5.62 -
Whiteside
Downcut Threaded Mortise Cutter, 15/16 Dia, 5/8 Cut Length, Whiteside 13-937Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-937; 15/16 Cutting Diameter, 5…
MSRP: $36.67$31.17 -
Whiteside
Downcut Threaded Mortise Cutter, 7/8 Dia, 5/8 Cut Length, Whiteside 13-875Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-875; 7/8 Cutting Diameter, 5/8…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 13/16 Dia, 5/8 Cut Length, Whiteside 13-812Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-812; 13/16 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 25/32 Dia, 5/8 Cut Length, Whiteside 13-781Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-781; 25/32 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 49/64 Dia, 5/8 Cut Length, Whiteside 13-765Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-765; 49/64 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 3/4 Dia, 5/8 Cut Length, Whiteside 13-750Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-750; 3/4in. Cutting Diameter, …
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 23/32 Dia, 5/8 Cut Length, Whiteside 13-719Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-719; 23/32 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 11/16 Dia, 5/8 Cut Length, Whiteside 13-687Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-687; 11/16 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 21/32 Dia, 5/8 Cut Length, Whiteside 13-656Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-656; 21/32 Cutting Diameter, 5…
MSRP: $33.88$28.80 -
Whiteside
Downcut Threaded Mortise Cutter, 41/64 Dia, 5/8 Cut Length, Whiteside 13-640Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-640; 41/64 Cutting Diameter, 5…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 5/8 Dia, 5/8 Cut Length, Whiteside 13-625Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-625; 5/8 Cutting Diameter, 5/8…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 9/16 Dia, 5/8 Cut Length, Whiteside 13-562Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-562; 9/16 Cutting Diameter, 5/…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 17/32 Dia, 5/8 Cut Length, Whiteside 13-531Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-531; 17/32 Cutting Diameter, 5…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 33/64 Dia, 5/8 Cut Length, Whiteside 13-515Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-515; 33/64 Cutting Diameter, 5…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 1/2 Dia, 5/8 Cut Length, Whiteside 13-500Screw Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-500; 1/2 Cutting Diameter, 5/8…
MSRP: $32.27$27.43 -
Whiteside
Downcut Threaded Mortise Cutter, 1-1/4 Dia, 1/2 Cut Length, Whiteside 13-1250AScrew Type, Helix Mortise With Downshear (Cutter Only) - Whiteside 13-1250A; 1-1/4 Cutting Diameter,…
MSRP: $36.67$31.17