HSS Titanium Step Drill Bit 4-32/42mm – Metal & Wood Cone Drill

SLADE HSS Titanium-Coated Step Drill Bit – 4–32mm / 4–42mm

Tackle any drilling job with confidence using this professional-grade High Speed Steel (HSS) Titanium-Coated Step Drill Bit from SLADE. Whether you're cutting clean holes through steel, brass, aluminium, wood, or plastic, this cone-shaped step drill delivers fast, precise, and burr-free results every time. A must-have for DIYers, electricians, metalworkers, and woodworking enthusiasts alike.

Key Features

• Premium HSS Construction: Made from high-quality High Speed Steel (HSS), heat-treated and highly polished for maximum durability and long service life.
• Titanium Coating: The titanium nitride coating reduces friction, minimises heat build-up, and dramatically extends the life of the drill bit compared to standard uncoated bits.
• Wide Step Range: Covers 4–32mm and 4–42mm in a single bit — eliminating the need to swap out multiple drill bits for different hole sizes. Each step is clearly labelled with its diameter for easy reference.
• Spiral Flute Design: Twin-flute spiral grooves drive faster, smoother, and cleaner cuts, efficiently clearing chips and swarf as you drill.
• Anti-Slip 3-Sided Shank: The tri-flat shank design locks securely into your drill chuck, preventing slippage and ensuring safer, more accurate drilling.
• Drills Perfectly Round Holes: Suitable for steel, brass, aluminium, copper, wood, plastic, and other thin-sheet materials.
• Compact & Portable: At just 99mm in length, this step drill bit fits most standard drill chucks and is easy to store and carry.

Specifications

What Can You Use It On?

This versatile step drill bit is ideal for:

• Electrical panel and junction box hole cutting
• Sheet metal fabrication and automotive body work
• Woodworking, cabinetry, and furniture making
• Plumbing and pipe fitting installations
• General DIY and home improvement projects

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Drill Safety Tips

For safe and effective use of step drill bits, always wear appropriate personal protective equipment (PPE) including safety glasses and gloves. Secure your workpiece firmly before drilling and use a centre punch to prevent the bit from wandering. For more guidance on tool safety in the workplace, visit the OSHA Hand & Power Tools Safety page.

Learn more: Drill bit

Frequently Asked Questions

Q: What materials can this HSS titanium step drill bit cut through?

A: This step drill bit is designed to cut through a wide variety of materials including steel, brass, aluminium, copper, thin-sheet metal, wood, and plastic. It is best suited for sheet materials up to a moderate thickness.

Q: What is the advantage of a titanium-coated step drill bit over a standard HSS bit?

A: The titanium nitride (TiN) coating significantly reduces friction and heat generation during drilling, which prolongs the sharpness and overall lifespan of the bit. It also improves cutting speed and produces cleaner hole edges compared to uncoated HSS bits.

Q: Will this step drill bit fit my standard power drill?

A: Yes. The tri-flat (3-sided) round shank is compatible with most standard drill chucks on corded and cordless power drills. The anti-slip design ensures the bit stays firmly locked in the chuck during use.

Q: Are all the step sizes labelled on the bit?

A: Yes, each step on the drill bit is clearly engraved with its corresponding diameter measurement, making it easy to drill to an exact size without needing to measure separately.