HSS Titanium Coated Step Drill Bit Set 3 Pcs (4-12mm, 4-20mm, 4-32mm)

3 Pcs HSS Titanium Coated Step Drill Bit Set (4-32mm)

Upgrade your workshop toolkit with this 3-Piece High-Speed Steel (HSS) Step Drill Bit Set. Designed for clean, precise hole drilling without center punching, these titanium-coated cone bits allow you to drill multiple hole sizes using a single bit. Ideal for sheet metal fabrication, electrical box knockouts, plumbing, and DIY wood or plastic projects.

Key Features:

• 3-Piece Comprehensive Range: Covers hole diameters from 4mm up to 32mm across 3 stepped cone bits (4-12mm, 4-20mm, 4-32mm).
• Titanium Nitride Coating: Reduces friction, runs cooler, and extends cutting edge life compared to standard HSS bits.
• Dual-Fluted Design: Clears chips rapidly for smoother cutting, deburring, and cleaner hole edges without burrs.
• Tri-Flatted Anti-Slip Shank: Fits securely into 3-jaw drill chucks to prevent slipping under high torque.
• Versatile Material Compatibility: Easily drills thin iron sheets, aluminum, brass, copper, PVC pipes, and wood boards.

Technical Specifications:

• Product Type: Step Drill Bit Set (Cone Drill Bits)
• Material: HSS (High-Speed Steel) with Titanium Coating
• Shank Type: 3-Flat Shank
  • Bit Sizes Included:4-12mm: 5 Steps (4mm, 6mm, 8mm, 10mm, 12mm)
  • 4-20mm: 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
  • 4-32mm: 15 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)
• Compatible Tools: Corded & Cordless Rotary Drills, Bench Drills

Package Includes:

• 1 x Step Drill Bit (4-12mm)
• 1 x Step Drill Bit (4-20mm)
• 1 x Step Drill Bit (4-32mm)