These reamers are not meant to be expanded to ream oversize holes. Nor should the expansion pins ever be loosened in an attempt to use the reamers for a size smaller.
Technical Specification
More Information
Brand
Interstate
Manufacturer Part Number
72480320
Size
1/2
Features & Benefits
The feature of the Expansion Chucking Reamer allows the tool to be resharpened many times to the original size. These reamers are not meant to be expanded to ream oversize holes. Neither should the expansion pins ever be loosened in an attempt to use the reamers for a size smaller.