Product Description
The CMT 824.128.00 Slot Cutter Arbor with Shims is a precision steel arbor designed to mount CMT 822 series slot cutter blades onto handheld routers, router tables, and CNC routing machines. With a 1/2 in. shank, a total length of 3-3/16 in., and an M8mm diameter, this arbor provides a stable, accurate mounting platform for slot cutter blade assemblies. The included shims allow fine-tuning of blade position and depth, making this arbor a practical choice for biscuit joinery setups, T-slot routing, and any application that demands repeatable slot cutter performance.
Key Features
- 1/2 in. shank - fits the most common router collet size, making this arbor compatible with a wide range of handheld and table-mounted routers without needing a reducer bushing.
- Steel construction - delivers the rigidity needed to resist flex and vibration during slot cutter operation, helping maintain consistent slot depth and width across the full cut.
- M8mm arbor diameter - engineered to match CMT 822 series slot cutter blades, ensuring a secure, centered blade fit that reduces wobble and improves cut quality.
- Total length of 3-3/16 in. with 40mm relative length - provides adequate reach and clearance for stacking multiple slot cutter blades or shims without sacrificing stability.
- Includes shims - allows the operator to fine-tune blade position and compensate for varying slot widths, reducing the need for multiple dedicated setups.
- Designed for CMT 822 series slot cutters - purpose-built compatibility means no guesswork when assembling a slot cutter stack for groove, dado, or biscuit slot applications.
Why This Product
- The 1/2 in. shank fits virtually any full-size router collet, so this arbor works across handheld routers, router tables, and CNC setups without requiring additional adapters or special tooling.
- The included shims give the user direct control over slot width and blade spacing, eliminating the need to purchase a separate shim kit or guess at blade positioning during assembly.
- Purpose-built for the CMT 822 slot cutter series, this arbor removes the compatibility uncertainty that comes with generic alternatives - blade fit is engineered in from the start.
- Solid steel construction keeps the arbor rigid under load, which translates to cleaner, more consistent slots and grooves whether routing hardwood, softwood, plywood, or sheet goods.
Specifications
- Manufacturer Part Number: 824.128.00
- Brand: CMT Orange Tools
- Diameter: M8mm
- Total Length: 3-3/16 in.
- Relative Length: 40mm
- Shank: 1/2 in.
- Material: Steel
- Product Type: Slot Cutter Arbor with Shims
Approved Applications
- Mounting CMT 822 series slot cutter blades
- Biscuit joinery router setups
- T-slot and groove routing
- Stacked blade slot cutter configurations
Frequently Asked Questions
Which slot cutter blades is this arbor designed to work with?
This arbor is designed for use with CMT 822 series slot cutter blades. The M8mm arbor diameter and overall geometry are engineered specifically for that blade family to ensure accurate, secure blade mounting.
What is the shank size, and which router collet does it fit?
The arbor has a 1/2 in. shank, which fits standard 1/2 in. collets found on most full-size handheld routers, router tables, and CNC routing machines. No reducer bushing is required for 1/2 in. collet setups.
What are the shims used for in this arbor set?
The included shims allow you to adjust blade spacing and fine-tune the slot width produced by the cutter assembly. This is particularly useful when building up a stacked blade configuration or when precise slot positioning is required for joinery work.
What is the total length of this slot cutter arbor?
The total length is 3-3/16 in., with a relative length of 40mm. This gives adequate reach for assembling slot cutter blades and shims while keeping the tool compact enough for stable router operation.
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