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ZELCAN Step Drill Bit Set, 5PCS Four Spiral Flute Step Bits for Metal, 50 Sizes Titanium-Coated HSS Drill Bits with 1/4″ Hex Shank for Stainless Steel Aluminum Wood Plastic

Quick facts

  • Brand: ZELCAN
  • Price: USD 35.99
  • Rating: 4.40 (13301 reviews)

The ZELCAN Step Drill Bit Set is built for fast, clean hole making when you want a broad size range without swapping standard twist bits constantly. This 5-piece set covers 50 sizes total and uses a four-spiral flute design to help clear chips as you drill, supporting smoother progress and reducing clogging.

Each bit is made from high-speed steel (HSS) with a titanium nitride finish for added hardness and heat resistance during cutting. The 1/4″ hex shank with a quick-release slot is designed for secure engagement and faster bit changes, making this set a practical pick for shop or jobsite drilling tasks.

  • 5-piece step drill bit set covering 50 sizes across multiple step ranges
  • High-speed steel (HSS) construction with titanium nitride finish
  • Four spiral flutes help evacuate chips for smoother drilling
  • 1/4″ hex shank with quick-release slot for secure fit and easy changes
  • Clear size markings and included storage case for organization and portability

Size coverage included: 3/16″ to 1/2″ (6 steps), 1/8″ to 1/2″ (13 steps), 1/4″ to 3/4″ (9 steps), 3/16″ to 7/8″ (12 steps), and 1/4″ to 1-3/8″ (10 steps).