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IDEAL 7/8-in Carbide-Tipped Arbored Hole Saw Set

2 Reviews
  • Integrated over drill flange prevents penetration beyond the sheet metal
  • Carbide tips cut holes through stainless steel and outperforms HSS cutters and bi-metal holes
  • Ejection spring effortlessly ejects slug


TKO cutters offer the most efficient and clean cutter replacement for traditional knockouts, by making smooth holes in a fraction of the time at a fraction of the cost. Specifically designed to cut sheet metal, TKO cutters will even cut stainless steel with fine grained, carbide tips. The innovative design includes the exclusive Smooth Start replaceable pilot drill, which guides the cutter to the surface, avoiding cutter damage and providing smoother holes.
  • Integrated over drill flange prevents penetration beyond the sheet metal
  • Carbide tips cut holes through stainless steel and outperforms HSS cutters and bi-metal holes
  • Ejection spring effortlessly ejects slug
  • 4-Piece carbide hole cutter kit includes: Smooth Start replacement tip, 7⁄ 8 in., 1-1⁄ 8 in., 1-3⁄ 8 in. hole cutters
  • Cutter head works best at slower speeds
  • Includes the exclusive Smooth Start replaceable pilot drill
  • Huge time saver versus conventional knockout punch
Weight 1.45 lbs
Dimensions 9.1 × 4.7 × 2.3 in

Latest reviews

  1. Eric

    The Carbide-tips give a very smooth entry and finish cut.
    I have used it on heavy gauge steel with no trouble.
    There was minimal heat and it did not damage the painted surface.
    I had already bought the 7/8″ (1/2″ conduit) hole saw.
    I found this set on sale and could not pass up the price.

  2. Robb

    These cutters are well made and seem to be very durable. Just started using them to cut holes in the liner panel in my shop to run all the electrical. They cut very clean and the spring on the bit keeps the plug from getting stuck in the cutter. This is not a cheap set but it is well worth the money.

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