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3/8" to 2-7/32", 4A-M Adjustable Blade Reamer Set

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More Information
Mfg SKU #404-7348
reamer categorySets
BrandShars Tool
Number of Flutes6
reamer styleadjustable blade reamer
size range reamer 3/8-2-7/32,A-M
Number of Pieces16


  • Blades are adjustable and move within tapered slots in the reamer body
  • To adjust these reamers the blades are moved within these slots by loosening the nut at one end and tightening the nut at the other
  • Movement permits the reamer to be set to any desired diameter within the range of the size adjustment
  • Adjustment feature allows reamer to maintain a specific size by compensating for wear
  • Can be readjusted to expand and reground to the appropriate size and resharpened
  • Only could use by hand, use on machine could damage the blade.
  • Blade material: High Speed Steel #6542 which last 2.4 times longer than general HSS 4241
  • Material of other parts: 45 steel
  • Maximum workpiece can not be more than 220 Brinell hardness