Step Drill Bit Set for Progressive Hole Opening

Product Overview

This step drill bit set combines progressive hole-opening geometry with triangular shanks for steadier chuck contact and controlled work on metal, wood, plastic, and fiberglass.

Key Highlights

• Progressive step geometry opens holes across a range of common project needs.
• Triangular shanks help limit slipping where the bits meet the drill chuck.
• Suitable for sheet metal, aluminum, copper pipe, wood, plastic, and fiberglass.
• Useful for cabinet hinges, dowel holes, automotive tasks, and electronics work.
• Supports both creating new openings and enlarging existing holes.

Before You Choose

• Choose this set for progressive hole opening or enlarging existing holes in supported workpieces.
• Match the bit and drill settings to the workpiece before starting.

Specifications

Product Details

5-Piece High-Speed Steel Pagoda Step Drill Bit Set – Baked Yellow Finish, Triangular Shank DesignProfessional Multi-Size Hole Opener Kit for Metal, Wood & Plastic Key Features:Baked Yellow Surface Treatment – Enhanced hardness & corrosion resistance vs. standard HSS bits.Triangular Shank Design – Prevents bit slippage in drill chucks for safer operation.Pagoda/Step Drill Geometry – Cuts 3-32mm holes progressively with smooth edges (no burrs).High-Speed Steel (HSS) Material – Stays sharp 5x longer than carbon steel bits.5 Sizes in Set – Covers most DIY/industrial needs (includes common HVAC/plumbing sizes). Professional Applications:Metalworking – Sheet metal, aluminum, copper pipesWoodworking – Cabinet hinges, dowel holesPlastic/Fiberglass – Clean holes without crackingAuto/Electronics – Enlarging existing holes