USA 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.

• Size Range: 3 Piece Set Includes 5/16" - 9/16", 9/16" - 13/16", 13/16" - 1-1/16"

• 90° Notch Point starts holes easily

• 5 hole enlargement steps

• 3/8 Shank Diameter

• 3-Flats on Shank