Product Description
CMT Clamping Nut M48 x 2mm Without Bearing - Right-Hand is a precision-machined replacement clamping nut engineered for securing collets in CMT CNC chuck systems. Designed with an M48 x 2mm thread and a 60mm outer diameter, this right-hand threaded nut is a direct-fit component for HSK-F63 and EOC-25 chuck configurations, delivering reliable clamping force where consistent tool holding accuracy is essential. Whether you are maintaining a production CNC routing setup or restoring a chuck assembly to peak performance, this collet nut provides the dimensional precision that professional machining operations demand.
Key Features
- M48 x 2mm thread specification - matches the exact thread pitch required for HSK-F63 and EOC-25 CNC chuck systems, ensuring a secure and accurate fit without modification or adaptation.
- 60mm outer diameter - sized to engage properly with the corresponding C-spanner or torque wrench, allowing full application of clamping torque as specified per DIN ISO 6789 standards.
- Right-hand (RH) rotation - threads in the standard right-hand direction, matching conventional collet chuck tightening motion to prevent accidental loosening during operation.
- Bearingless design - the without-bearing construction simplifies replacement and maintenance, making this a straightforward drop-in part when servicing worn or damaged chuck components.
- Precision machined construction - tight manufacturing tolerances help maintain consistent clamping force on precision collets, supporting repeatable tool positioning in CNC routing and similar applications.
Why This Product
- Direct replacement for HSK-F63 and EOC-25 chucks - the M48 x 2mm thread and 60mm diameter are matched specifically to these chuck formats, eliminating guesswork when sourcing a replacement clamping nut for an existing CMT system.
- Right-hand thread direction prevents unintended loosening - the RH rotation aligns with standard spindle rotation in most CNC routing setups, so the nut naturally stays secure during tool engagement rather than backing off under load.
- Simplified maintenance with bearingless construction - without a bearing assembly to disassemble or align, swapping this nut during chuck servicing is a faster, more straightforward process that reduces machine downtime.
- Compatible with torque wrench tightening per DIN ISO 6789 - the nut is designed to work with the CMT TW-200 torque wrench and an appropriate C-spanner, supporting proper, calibrated clamping torque application for precision collet retention.
Specifications
- Manufacturer Part Number: 992.283.01
- Brand: CMT Orange Tools
- Description: Clamping Nut M48 x 2mm Without Bearing RH
- Outer Diameter: 60mm
- Bore Diameter: M48 x 2mm
- Rotation: Right-Hand (RH)
Frequently Asked Questions
What chuck systems is this clamping nut compatible with?
This clamping nut is designed for use with HSK-F63 and EOC-25 CMT CNC chuck configurations. Its M48 x 2mm thread and 60mm outer diameter are matched to these specific chuck formats.
What is the difference between a clamping nut with bearing and one without bearing?
A clamping nut without bearing, like this model, does not include an internal bearing assembly. This simplifies the part and makes replacement and maintenance more straightforward during chuck servicing.
What tools are recommended for tightening this clamping nut?
The CMT TW-200 torque wrench used in combination with an appropriate C-spanner is recommended for applying proper clamping torque, consistent with DIN ISO 6789 specifications.
Why does the rotation direction matter for a clamping nut?
The right-hand (RH) rotation of this nut aligns with standard spindle rotation in most CNC routing applications. This means the nut tightens naturally in the direction of cutting forces, helping prevent unintended loosening during operation.
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