Best Step Drill Bits for Metal Drilling (2026)
Selections were based on bit material/coating, step range, flute design, shank compatibility, and overall value for metal drilling tasks
The Verdict
- Best Overall: ZELCAN Step Drill Bit Set 5pc with Titanium-coated HSS bits — Best for balanced value: titanium-coated HSS 5-piece set offering broad hole coverage and corrosion resistance for general metalwork
- Best Value: Step Drill Bits Set – 5 pcs, 50 sizes, HSS titanium coating — Best budget set: five HSS bits with titanium coating that provide many size steps in a compact, affordable kit for routine metal drilling
This roundup covers step drill bits optimized for drilling and enlarging holes in metal, focusing on fit for common metalworking tasks and overall value. Picks were chosen by comparing construction (HSS or double-flute), coatings, shank types, and the range of hole sizes each set or bit covers
Top Picks
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1
Best Overall ZELCAN Step Drill Bit Set 5pc with Titanium-coated HSS bits
Best for balanced value: titanium-coated HSS 5-piece set offering broad hole coverage and corrosion resistance for general metalwork
Step drill bit set with four-cutting blades for metal, aluminum, and more. Noted for quick, smooth drilling and case quality; mixed durability and sharpness feedback from customers
- four spiral flute design
- multi-material compatibility
- titanium-coated HSS bits
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2
Best Value Step Drill Bits Set – 5 pcs, 50 sizes, HSS titanium coating
Best budget set: five HSS bits with titanium coating that provide many size steps in a compact, affordable kit for routine metal drilling
HSS titanium-coated step drill bits with 50 sizes in a 5-piece kit. Designed for fast cutting and self-centering, with a metal storage case. Customers note good quality and sharpness, though durability is mixed
- 50 sizes in 5 pieces
- self-centering tip with fast cutting
- dual-flute chip clearance
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3
Klein Tools Step Drill Bit 3/8 in Hex Shank, #3 1/4-3/4 in
Best single bit for trades: double-fluted 3/8 in hex shank design delivers faster chip removal and durable performance in metal
Step drill bit with double flutes and aluminum-titanium nitride coating for durable, clean cuts. Features a hex shank for secure grip; preset sizes aid quick drilling
- durable coating for extended life
- secure hex shank
- clear size gauge markings
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4
Klein Tools KTSB14 Step Drill Bit 14, 3/16 to 7/8 in w/ hex shank
Best multi-step single bit: 14-step double-fluted design with hex shank gives a wide size range and efficient cutting in sheet metal
Klein Tools KTSB14 step drill bit with double flutes and aluminum-titanium nitride coating for durability. Designed for clean cuts and secure grip with a 3/8-inch hex shank. Customers cite quality and preset sizes, with mixed durability and sharpness feedback
- aluminum-titanium nitride coating
- double-fluted for chip removal
- 3/8-inch hex shank for secure grip