Robert Bosch Tool Group CN1 Rotozip Collet and Nut Kit

Product Description

The ROBERT BOSCH TOOL GROUP CN1 is a replacement collet and collet nut kit designed for RotoZip spiral saw and drywall router tools. The kit provides three collet sizes in a single package, covering 1/8 inch, 5/32 inch, and 1/4 inch bit shanks. Each collet ships with its corresponding collet nut, giving the technician or installer everything needed to restore proper bit retention. The CN1 is suited for trade professionals and contractors who rely on RotoZip tools for drywall cutting, spiral routing, and similar applications where worn or damaged collets affect tool performance and bit runout.

This kit applies to residential and light commercial construction and remodel work where RotoZip spiral saw tools are used for drywall cutouts, panel routing, and similar operations. Because the kit covers all common RotoZip bit shank sizes, a single CN1 kit serves as a complete collet service set for any RotoZip spiral saw or drywall router in the tool inventory. Contractors maintaining multiple tools on a job site will find this kit reduces the need for multiple separate replacement orders.

Key Features

• Includes three collet sizes: 1/8 inch, 5/32 inch, and 1/4 inch
• Each collet paired with its matching collet nut — 5 pieces total per package
• Compatible with all RotoZip spiral saw tools and drywall routers
• Covers all common RotoZip bit shank sizes in one kit
• Direct OEM-style replacement for worn or damaged collets

Compatibility

Designed to work with all RotoZip spiral saw tools and drywall routers. Replacement collets are sized for all standard RotoZip bit shank diameters: 1/8 inch, 5/32 inch, and 1/4 inch.

Installation Notes

Collet replacement on spiral saw and rotary tool bodies is a mechanical service task typically performed by a contractor, tool technician, or experienced tradesperson. Disconnect the tool from its power source and allow it to come to a complete stop before removing or installing any collet or collet nut. Use the appropriate wrench or collet wrench tool recommended for the RotoZip platform — do not use pliers or adjustable wrenches that can damage the collet nut flats. Ensure the collet seats fully before torquing the nut, and inspect the spindle threads for damage before reinstalling any collet.