Quick facts
- Brand: NEIKO
- Price: USD 17.99
- Rating: 4.40 (23901 reviews)
The NEIKO 10181A Step Drill Bit Set is a practical upgrade for anyone who drills a range of hole sizes in sheet materials. With three step bits covering 31 total step sizes from 1/8″ up to 7/8″, you can move between common sizes without constantly changing standard drill bits.
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Each step bit is made from industrial high-speed steel and finished with titanium nitride coating, built to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. The 2-flute spiral-grooved design helps clear chips and debris for smoother cutting, while the split-point tip is designed to cut faster and reduce walking for more accurate starts.
For convenience, the 1/4-inch hex shank makes these step bits quick to swap and compatible with impact-ready power tools—ideal when you’re bouncing between tasks or sizes.
- 3-piece step drill bit set with 31 total step sizes (1/8″ to 7/8″)
- Industrial high-speed steel with titanium nitride coating (titanium finish)
- Split-point tip helps reduce walking and improves cutting speed
- 2-flute spiral-grooved design clears chips and helps deburr for smoother holes
- 1/4″ quick-change hex shank for fast swaps; compatible with impact-ready tools
Included sizes: 13-step (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch), 6-step (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch), and 12-step (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch).
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