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Expansion Chucking Reamers - Straight Flute, Straight Shank, High Speed Steel - Pittsburg Alleghany, Quality Import
The expansion feature of Expansion Chucking Reamers is designed to maintain the initial size by compensating for wear on the cutting end. When the reamer is worn undersize, it may be expanded oversize, reground to size and resharpened. Expansion screws should never be loosened in an attempt to use the reamers for a size smaller than that for which the tools were originally circle ground.
WARNING: This product contains Cobalt and/or Nickel and/or Lead a chemical known to the state of California to cause cancer, or birth defects or other reproductive harm. For more information: www.p65warnings.ca.gov