Product Description
CMT ER32 Precision Collet - 20mm Diameter by CMT is a high-accuracy tool-holding collet engineered to DIN 6499 standards, designed for use with ER32 chuck systems on CNC routers, machining centers, and point-to-point machines. With a 20mm bore diameter and a clamping range spanning 3mm to 20mm, this precision collet delivers the tight tolerances and reliable grip that demanding milling, boring, and CNC routing operations require. Machined to exacting standards, it minimizes runout so your router bits and CNC tooling stay on-target through every pass.
Key Features
- DIN 6499 Standard Precision Ground - machined to the internationally recognized DIN 6499 specification, ensuring minimal runout and consistent tool accuracy across repeated setups.
- ER32 Collet System Compatibility - fits the widely used ER32 chuck format, including CMT chucks 183.000, 183.100, 183.200, 183.250, 183.300, and 183.400, making it easy to integrate into existing tooling systems without additional adapters.
- 20mm Bore Diameter - accommodates the full 20mm maximum shank size in the ER32 range, giving you the flexibility to mount large-diameter tooling with confidence.
- Replaceable Standard Design - follows the universal ER32 form factor so it can be swapped out quickly when worn, reducing machine downtime and keeping production moving.
- 3mm to 20mm Clamping Range - a wide clamping capacity in a single collet means you can use it across a broad variety of tool shank sizes, reducing the number of collets you need on hand.
- Fits Most Tapered Spindle Noses - compatible with standard tapered spindle configurations found on CNC routers and machining centers, expanding its usefulness across multiple machine platforms.
Why This Product
- If you need a drop-in replacement ER32 collet at the 20mm maximum diameter, this collet fits the standard without modification - saving setup time and eliminating compatibility guesswork.
- The DIN 6499 precision grind means tighter runout tolerances, which translates directly to cleaner cuts, longer tool life, and more accurate finished dimensions in hardwood, softwood, MDF, plywood, composite, and aluminum workpieces.
- Its compatibility with six CMT ER32 chucks (183.000, 183.100, 183.200, 183.250, 183.300, 183.400) and most tapered spindle noses means it works across a wide range of CNC router and machining center setups - a practical choice for shops running multiple machines.
- The full 3mm to 20mm clamping range within the ER32 standard means this single collet size handles the largest tools in the ER32 family, consolidating your tooling inventory at the high end of the range.
Specifications
- Manufacturer Part Number: 184.200.00
- Brand: CMT Orange Tools
- Collet System: ER32
- Bore Diameter: 20mm
- Clamping Range: 3mm to 20mm
- Standard: DIN 6499
- Clamping Tolerance: 0.015mm
- Compatible Chucks: 183.000, 183.100, 183.200, 183.250, 183.300, 183.400
Approved Applications
- CNC Routing
- Milling
- Boring
- Use with CNC Routers
- Use with Machining Centers
- Use with Point-to-Point Machines
Frequently Asked Questions
Which CMT chucks is this ER32 collet compatible with?
This collet is compatible with CMT ER32 chucks 183.000, 183.100, 183.200, 183.250, 183.300, and 183.400. It also fits most tapered spindle noses that accept standard ER32 collets.
What is the full clamping range of this collet?
The ER32 precision collet covers a clamping range from 3mm up to 20mm, allowing it to grip a wide variety of tool shank sizes within the ER32 system. The specific bore diameter of this collet is 20mm, which is the maximum capacity of the ER32 range.
What standard does this collet conform to, and why does it matter?
This collet is precision ground to the DIN 6499 standard. Conforming to DIN 6499 means the collet is manufactured to tightly controlled dimensional tolerances - in this case 0.015mm clamping tolerance - which directly reduces tool runout and improves cutting accuracy and surface finish quality.
What materials can I machine using tools held in this collet?
This ER32 collet is suited for machining hardwood, softwood, MDF, plywood, composite materials, and aluminum when used with appropriate tooling in compatible CNC routers, machining centers, and point-to-point machines.
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