Greenlee GSB09 #9 1-1/8 in. Step Bit
Greenlee GSB09 #9 1-1/8 in. Step Bit
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Greenlee GSB09 #9 1-1/8 in. Step Bit

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Key item features

  • Durable Penetration: Features a durable split-point tip designed for fast and accurate material penetration.
  • Optimized Cutting: Patented split-step design optimizes chip load, enabling fast, smooth cutting and more holes per charge.
  • Efficient Aggression: Progressive cutting edges provide balanced aggression to maximize torque efficiency and minimize stalling during operation.
  • Superior Evacuation: Improved double flute design ensures superior chip evacuation, leading to faster cutting speeds and extended tool life.
  • Versatile Materials: Applicable for a wide range of materials including aluminum, brass, copper, fiberglass, laminates, mild steel, plastics, and wood.
  • Specific Dimensions: This GSB Series Step Bit has a 1-1/8 inch nominal length, a maximum cutting diameter of 1/8 inch, and a minimum cutting diameter of 3/16 inch, with 3 steps.
  • Material Thickness: Capable of cutting materials with a maximum thickness of 10 gauge.
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Sold and shipped by Acme Tools
4.477570093457944 stars out of 5, based on 2140 seller reviews(4.5)
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3.5 out of 5 stars
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Showing 1-2 of 2 reviews

Jan 19, 2022
Tberryelectric
5 out of 5 stars review

Amazing

[This review was collected as part of a promotion.] I have the 3 pc step set from greenlee. the best I've used. With a CONVENIENT hard carry case

Review from greenlee.com
Helpful?6UQ01Z311L67307289839
Jan 5, 2026
ElectricalContractor
2 out of 5 stars review

Seller Verified Purchase

Typically dependable, but the last few not so much

Ruined within a few months of light to medium use, nothing terrible nothing heavy duty. Almost all pvc boxes

Review from greenlee.com
Helpful?6UQ01Z311L67307289839