KnKut Drill Bits & Cutting Tools

KnKut Drill Bits & Cutting Tools KNK-3KK4SR Knkut 3pc Hole Expansion Step Reamer Set

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SKU:
18020061
MPN:
knk-3kk4sr
Availability:
Usually ships the same or next business day. In stock at our NC warehouse.
Shipping:
Calculated at Checkout
Stock Update:
09/18/2026 05:47:12 AM PST
$156.69
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Stock Update:
09/18/2026 05:47:12 AM PST
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Description

This item is brand-new, factory sealed.

Features and Benefits:

  • Made In USA
  • 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

    • 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.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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KnKut Drill Bits & Cutting Tools KNK-3KK4SR Knkut 3pc Hole Expansion Step Reamer Set
$156.69