Product Description
The CMT 824.128.10 Slot Cutter Arbor with Bearing is a precision steel arbor designed to mount CMT 822 series slot cutter blades for accurate, clean slot cutting in woodworking applications. With a 1/2 in. shank and a total length of 2-13/32 in., this arbor provides a secure, wobble-free connection between your router and slot cutter blade - making it a reliable choice for biscuit joinery setups, groove routing, and decorative slot work on handheld routers and router tables alike.
Key Features
- Steel construction - delivers the durability and rigidity needed for consistent, accurate slot cutting under repeated use without flexing or wearing prematurely.
- Integrated bearing - guides the cutter along the workpiece surface to produce uniform slot depth and position, reducing the chance of operator error and improving repeatability.
- 1/2 in. shank - fits standard 1/2 in. router collets found on most benchtop and table-mounted routers, ensuring a wide range of tool compatibility.
- Total length of 2-13/32 in. (relative length 26mm) - provides adequate clearance and reach for proper slot cutter blade positioning without interfering with the router base or collet nut.
- Designed for CMT 822 series slot cutter blades - ensures a purpose-built fit that minimizes runout and maximizes cutting precision when paired with compatible blades.
Why This Product
- Woodworkers who regularly cut slots for joinery or decorative grooves benefit from the integrated bearing, which acts as a consistent reference against the workpiece and reduces the need for additional setup jigs or fences.
- The 1/2 in. shank offers a secure grip in standard router collets, meaning less vibration during cutting and cleaner slot edges in materials ranging from solid hardwood to sheet goods.
- Built from steel, this arbor is engineered to withstand the torque and lateral forces generated during slot cutting - giving professionals and serious hobbyists a long-service-life tool that holds up across high-volume projects.
- Purpose-designed for use with CMT 822 series blades, this arbor eliminates the guesswork of mixing and matching components, making blade swaps faster and keeping your setup dialed in from session to session.
Specifications
- Manufacturer Part Number: 824.128.10
- Brand: CMT Orange Tools
- Total Length: 2-13/32 in.
- Relative Length: 26mm
- Shank: 1/2 in.
- Material: Steel
- Product Type: Slot Cutter Arbor with Bearing
Approved Applications
- Mounting CMT 822 series slot cutter blades
- Slot cutting and groove routing in woodworking
- Biscuit joinery setup with compatible blades
- Use on handheld routers, router tables, and CNC routing machines
Frequently Asked Questions
Which slot cutter blades are compatible with the CMT 824.128.10 arbor?
This arbor is designed specifically for use with CMT 822 series slot cutter blades. Using the purpose-matched blade series ensures minimal runout and accurate slot depth.
What router collet size does this arbor require?
The CMT 824.128.10 features a 1/2 in. shank, so it requires a router with a 1/2 in. collet. This is one of the most common collet sizes on mid-size and full-size routers, making it compatible with a wide range of handheld and table-mounted machines.
What does the integrated bearing on this arbor do?
The bearing rides along the surface of the workpiece and acts as a depth stop for the slot cutter blade. This allows the cutter to follow the edge of the material consistently, producing uniform slot placement without the need for a separate fence or guide in many applications.
Can this arbor be used on a CNC routing machine or router table?
Yes. The 824.128.10 is suitable for use on handheld routers, router tables, and CNC routing machines - provided the machine accepts a 1/2 in. shank tooling. Always confirm your machine's collet compatibility before mounting any arbor or cutter.
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