13-1250A
Helix Mortise Bit w/ Downshear
1-1/4"CD, 1/2"CL
Product Description
Materials: Natural woods, composite woods, hard plastics
Recommended RPM: 12,000-14,000 (max 24,000)
These Mortise heads are designed to screw down onto a Helix Mortise Arbor (Part #HMA-1/4A or #HMA-1/2) for easy transition from one cutting head to the next. The Mortise head is only available with a downshear cutter.
- TOOL SPECS: Carbide-tipped, screw type helix mortise bit with 1-1/4" cutting diameter, 1/2" cutting length, 5/16"-24 threads, and 1/2" overall length.
- DESIGN: Easily screws onto a helix mortise arbor for a smooth transition between heads, streamlining your workflow for efficient and hassle-free use. Requires a 5/16"-24 thread arbor.
- MORTISE: Perfect for cutting clean, square-bottom mortises for hinges, locksets, and other joinery, delivering a precise rectangular recess for various woodworking applications.
- DOWNSHEAR: The short downshear flute finishes the top edge within the mortise, providing a clean, precise cut for a professional finish.
- CARBIDE TIPPED: Offers an excellent balance of quality and cost, making it ideal for a wide range of applications.
- DISTINCT PROFILES: Designed for hand-held routers, router tables, and CNC machines in a wide variety of applications.
Similar Sizes
| Part # | Fractional Dia. | Decimal Dia. | Cutting Length | Overall Length |
|---|---|---|---|---|
| 13-500 | 1/2" | .500" | 5/8" | 7/8" |
| 13-515 | 33/64" | .515" | 5/8" | 7/8" |
| 13-531 | 17/32" | .531" | 5/8" | 7/8" |
| 13-562 | 9/16" | .562" | 5/8" | 7/8" |
| 13-625 | 5/8" | .625" | 5/8" | 7/8" |
| 13-640 | 41/64" | .640" | 5/8" | 7/8" |
| 13-656 | 21/32" | .656" | 5/8" | 7/8" |
| 13-687 | 11/16" | .687" | 5/8" | 7/8" |
| 13-719 | 23/32" | .719" | 5/8" | 7/8" |
| 13-750 | 3/4" | .750" | 5/8" | 7/8" |
| 13-765 | 49/64" | .765" | 5/8" | 7/8" |
| 13-781 | 25/32" | .781" | 5/8" | 7/8" |
| 13-812 | 13/16" | .812" | 5/8" | 7/8" |
| 13-875 | 7/8" | .875" | 5/8" | 7/8" |
| 13-937 | 15/16" | .937" | 5/8" | 7/8" |
| 13-1000 | 1" | 1" | 1/2" | 1/2" |
| 13-1125 | 1-1/8" | 1.125" | 1/2" | 1/2" |
| 13-1250 | 1-1/4" | 1.25" | 1/2" | 1/2" |
| * 13-1250A | 1-1/4" | 1.25" | 1/2" | 1/2" |
* 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
| Part # | Shank Dia. | Thread | Overall Length |
|---|---|---|---|
| HMA-1/4 | 1/4" | 1-4"-28 | 1-3/4" |
| HMA-1/2 | 1/2" | 1/4"-28 | 1-3/4" |
| * HMA-1/4A | 1/4" | 5/16"-24 | 1-3/4" |
| * HMA-1/2A | 1/2" | 5/16"-24 | 1-3/4" |
* Fits #13-1250A only.
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