Best Step Drill Bits for Metal Drilling (2026)
We selected step drill bits by assessing material (HSS), coating, step/size coverage, shank/flute design, and aggregated user ratings to rank fit and value for metal drilling
Top Picks
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1
ZELCAN Step Drill Bit Set 5pc with Titanium-coated HSS bits
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
Step Drill Bits Set – 5 pcs, 50 sizes, HSS titanium coating
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
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
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