3-Piece HSS Step Cone Drill Bit Set – Hole Cutter 4-12mm, 4-20mm, 4-32mm | Titanium Coated for Metal, Wood, Plastic

This 3-Piece HSS Step Cone Drill Bit Set is the perfect solution for electricians, technicians, and DIYers looking for clean, burr-free hole cutting in a variety of materials. Made from high-speed steel (HSS) and coated with titanium, these drill bits offer long-lasting performance and excellent heat resistance.

Each bit features multiple step sizes for drilling various hole diameters with one tool, eliminating the need for multiple bits.

🔧 Specifications:

• Material: HSS (High-Speed Steel)

• Coating: Titanium Coated

• Bit Sizes:

  • 4–12mm (5 steps)

  • 4–20mm (9 steps)

  • 4–32mm (15 steps)

• Shank Type: 1/4″ Hex or Round (confirm if needed)

• Application: Drills through metal sheets, wood, PVC, plastic, aluminum

• Cutting Type: Spiral or straight fluted (confirm if needed)

✅ Key Features:

• 3 drill bits cover holes from 4mm to 32mm

• Titanium coating for durability and smoother drilling

• Ideal for control panels, DB boxes, electrical enclosures

• Suitable for use with hand drills or drill presses

• Precision tips reduce walking and ensure clean starts

• Reduces bit change time and improves productivity

🛠️ Recommended For:

• Electricians installing DB boards

• Solar panel junction boxes

• HVAC technicians

• Panel builders & control system installers

• General DIY drilling in home or workshop