Swap Banner
This product is no longer available, however it has been replaced with

Where to Buy

Product Details


  • Set includes 48-89-9100 13 Hole Bit and 48-89-9105 9 Hole Bit
  • Single Cutting Edges provides true round holes every time
  • High Speed Steel Make-up is ideal for cutting into stainless steel, aluminum, brass, copper, plastic and more
  • Black Oxide Finish resists corrosion for longer life
  • Speed Start Tip starts fast and reduces the risk of bit walking
  • Laser Etched Markings for fast, easy hole size identification
  • 3-Flat Shank prevents bit from slipping in the chuck


Coating Black Oxide


Our line of step drill bits far surpasses the competition. With our single cutting edge design, you will have more control and a cleaner finish. Made of high speed steel, these new step drill bits are durable and designed to drill through most metals. The black oxide finish prevents corrosion and has great capacity to work with drilling
lubricants. The new speed start tip prevents bit walking and allows faster penetration. With laser etched markings you will always know your hole sizes...no guess work! Finally, the 3-flat shank on the larger bit prevents slipping while the 1/4 in. hex shank on the smaller bit allows for fast bit change in impact drivers and sure grip in chucks.

Model Options

Item/Cat # Style Pack Qty Coating Cutter Geometry  
2 PC #4 Step Drill Bit Set
Black Oxide
2 PC #9 Step Drill Bit Set
Black Oxide
48-89-9221 Dual-Flute Step Bits 3 Pack Black Oxide Dual-Flute
48-89-9223 Dual-Flute Step Bits 4 Black Oxide Dual-Flute
48-89-9224 Dual-Flute Step Bits 6 Pack Black Oxide Dual-Flute

Product Reviews