KnKut 5/16" - 9/16" Hole Expansion Step ReamerUSA Made KnKut Step Reamers accurately starts on contact and enlarges and deburrs holes in material up the 1/2" thick. Gold Oxide treatment enhances lubricity, reduces friction and increases toughness.
•Made In USA
•Size Range: 5/16" - 9/16"
•90° Notch Point starts holes easily
•5 hole enlargement steps
•3/8 Shank Diameter
•3-Flats on Shank
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