Product Description
The CMT 541.523.00 Spacer is a precision-ground assembly spacer designed for use with CMT cutter heads and compatible tooling systems. With an outer diameter of 21mm, a bore diameter of 12mm, and a plate thickness of 6.16mm, this compact spacer gives woodworkers and machinists the dimensional control they need to position cutters accurately on a spindle, stack cutter heads to a target width, or fine-tune tool alignment during assembly. Whether you are setting up a router table cutter head or configuring a multi-tool spindle arrangement, this spacer delivers repeatable, reliable results.
Key Features
- Outer diameter of 21mm - fits precisely within compatible CMT cutter head bores and tooling assemblies, reducing the risk of misalignment during setup.
- Bore diameter of 12mm - sized to seat firmly on 12mm spindles and arbors, keeping the spacer concentric and stable during cutter positioning.
- Plate thickness of 6.16mm - provides a specific, measurable offset so you can adjust cutter position or stack multiple spacers to reach a precise combined width with no guesswork.
- Precision-ground construction - tight dimensional tolerances mean your cutter stack stays true, protecting both your tooling investment and your workpiece quality.
- Designed for assembly use - purpose-built as an assembly spacer, it integrates cleanly into cutter head configurations without requiring modification or additional hardware.
Why This Product
- The exact 6.16mm plate thickness gives you a known, repeatable increment for adjusting cutter positioning on a spindle - ideal when stacking multiple cutter heads to hit a specific total width.
- The 12mm bore and 21mm outer diameter are matched to CMT tooling geometry, so the spacer seats accurately without wobble or play that could compromise cut quality.
- As a dedicated assembly spacer, this component addresses a common challenge in cutter head setups: achieving precise tool spacing without improvising with non-matched hardware.
- Its compact form factor makes it easy to combine with other CMT spacers or bore reducers to fine-tune spindle configurations across a range of cutter head assembly applications.
Specifications
- Manufacturer Part Number: 541.523.00
- Brand: CMT Orange Tools
- Outer Diameter: 21mm
- Bore Diameter: 12mm
- Plate Thickness: 6.16mm
- Product Type: Spacer for assembly
- Status: Active
Approved Applications
- Adjusting cutter position on a spindle or arbor
- Stacking cutter heads to achieve a desired combined width
- Assembly and configuration of CMT cutter head systems
- Fine-tuning tool alignment in cutter head assemblies
Frequently Asked Questions
What are the exact dimensions of the CMT 541.523.00 spacer?
This spacer has an outer diameter of 21mm, a bore diameter of 12mm, and a plate thickness of 6.16mm. These precise dimensions make it straightforward to calculate stack heights when combining multiple spacers or positioning cutter heads on a spindle.
What spindle or arbor size does this spacer fit?
The CMT 541.523.00 has a bore diameter of 12mm, so it is intended for use on 12mm spindles or arbors within compatible CMT cutter head and tooling assemblies.
Can I stack multiple CMT spacers together to achieve a custom offset?
Yes. Because the plate thickness is a precise 6.16mm, multiple spacers can be combined to build up a specific cumulative offset between cutter heads or between a cutter and a reference surface, giving you repeatable control over tool positioning.
What is this spacer used for?
The CMT 541.523.00 is a spacer designed for assembly use - specifically for positioning cutters on a spindle, adjusting the spacing between stacked cutter heads, and ensuring accurate tool alignment within CMT cutter head configurations.
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