3PC STEP DRILL SET

• 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

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Model: 310716
Shipping Weight: 1lbs
Manufacturers Part #: 3KK4SR
Manufactured by: KnKut
Also Known As: KW3KK4SR, KNK-3KK4SR