Product Description
The CMT Slot Cutter Arbor (Model 824.131.00) is a precision steel arbor designed specifically for mounting CMT 822 series slot cutter blades, delivering stable, wobble-free performance on handheld routers, router tables, and CNC routing machines. With a 1/2 in. shank and a total length of 2-51/64 in., this replacement arbor provides a reliable interface between your router and slot cutter head, keeping biscuit joinery, groove cutting, and dado work accurate and repeatable.
Key Features
- Steel construction - solid steel material provides the rigidity needed to minimize vibration and flex during slot cutter operation, supporting cleaner, more consistent cuts in wood and sheet goods.
- 1/2 in. shank - fits the most common router collet size, making this arbor compatible with a wide range of handheld routers and router tables without adapters.
- M8mm diameter arbor body - machined to the precise M8mm diameter required for CMT 822 series slot cutter blades, ensuring a secure and centered blade fit with no slop or runout.
- Total length of 2-51/64 in. - provides sufficient clearance and reach for standard slot cutter setups, accommodating typical depth requirements for groove and biscuit slot applications.
- Replacement arbor for CMT 800.626 - serves as a direct replacement component, letting you restore a complete slot cutter assembly without purchasing an entirely new kit.
- Compatible with CMT 822 series slot cutter blades - designed and matched specifically for CMT blade geometry, so blade seating, clamping, and cutting performance meet CMT tolerances.
Why This Product
- If your existing slot cutter arbor is worn or damaged, this direct replacement gets your CMT 800.626 system back in service without the cost of replacing the entire slot cutter assembly.
- The 1/2 in. shank fits standard router collets found on most benchtop and handheld routers, making this arbor a straightforward drop-in component for common workshop setups.
- Precision steel construction means the arbor resists the flex and heat generated during repeated slot cutting passes, helping maintain accuracy across long production runs or repetitive joinery work.
- The M8mm arbor diameter is purpose-matched to CMT 822 series slot cutter blades, eliminating guesswork about blade compatibility and ensuring a properly centered, locked blade every time.
Specifications
- Manufacturer Part Number: 824.131.00
- Brand: CMT Orange Tools
- Product Type: Slot Cutter Arbor
- Diameter: M8mm
- Total Length: 2-51/64 in.
- Relative Length: 29.75mm
- Shank: 1/2 in.
- Material: Steel
- Compatible System: CMT 800.626
- Compatible Blades: CMT 822 series slot cutter blades
Approved Applications
- Mounting CMT 822 series slot cutter blades on a router
- Biscuit joinery setup and slot cutting
- Groove and dado cutting in solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic
- Replacement arbor use in router table and handheld router slot cutter assemblies
- CNC routing machine slot cutter configurations
Frequently Asked Questions
Which slot cutter system is this arbor designed to work with?
This arbor is designed specifically for the CMT 800.626 slot cutter system and is compatible with CMT 822 series slot cutter blades. It is not a universal arbor - it is purpose-built for that CMT blade family.
What shank size does this arbor use?
The CMT 824.131.00 uses a 1/2 in. shank, which fits the standard 1/2 in. collet found on most mid-size and full-size routers used in handheld and router table applications.
What is the arbor body diameter, and why does it matter?
The arbor body diameter is M8mm. This precise diameter is matched to the bore of CMT 822 series slot cutter blades, ensuring the blade seats correctly and runs true without wobble or eccentricity during cutting.
Is this a full slot cutter kit or a replacement component only?
This is a replacement arbor component only, not a complete kit. It is intended to replace a worn or damaged arbor within an existing CMT 800.626 slot cutter assembly. Slot cutter blades and any bearing or collar components are not included with this arbor.
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