► Step Drill Bits

Multiple Sizes, One Tough Bit When you’re working with sheet metal, conduit, or thin materials, swapping bits wastes time – a good step drill keeps you moving. The Industrial Shed range of step drill bits is built for trades that need clean, burr-free holes in varying diameters without changing tools....

Multiple Sizes, One Tough Bit

When you’re working with sheet metal, conduit, or thin materials, swapping bits wastes time – a good step drill keeps you moving. The Industrial Shed range of step drill bits is built for trades that need clean, burr-free holes in varying diameters without changing tools. Designed for speed, accuracy, and long life, these bits take on stainless, mild steel, aluminium, plastics, and more with precision.

From SP Tools step drills for heavy-duty industrial sites, Bordo step bits trusted by metal fabricators for smooth cutting and long service life, to Milwaukee step drills with advanced coatings for longer edge life – every option here is engineered for smooth cutting, reduced grab, and effortless deburring. Whether you’re fitting switchboards, fabricating ductwork, or running data cable penetrations, the right step drill lets you size holes perfectly in one pass.

What’s in This Collection:
► High-Speed Steel Step Bits
‣ Fast, clean cutting for mild steel, aluminium & plastics.

► Titanium-Coated Step Bits
‣ Extra wear resistance & reduced friction under load.

► Electrician-Grade Step Bits
‣ Ideal for conduit, panels & switchboard knockouts.

► Multi-Stage Profiles
‣ Multiple hole sizes in one bit for rapid size changes.

► Deburring-Edge Step Bits
‣ Cuts & smooths in a single pass to save finishing time.

 

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  • Wattmaster - STEP DRILL BIT ELECTRICIANS 4MM-25MM | WATSTEP1625
    Wattmaster - STEP DRILL BIT ELECTRICIANS 4MM-25MM | WATSTEP1625
    Wattmaster Step Drill Bit Electricians 4mm-25mm | WATSTEP1625 The Wattmaster electrician’s step drill bit is built for clean, efficient hole enlargement across a range of common sizes. Covering 4mm to 25mm, it’s a practical choice for switchboard work, sheet material drilling, and general electrical...
    $124.11
    $124.11

Precision That Stands Up to Australia’s Toughest Sites

In electrical, HVAC, fabrication, and site maintenance, a reliable step drill is a game-changer. The Industrial Shed selection from SP Tools, Bordo, and Milwaukee delivers the durability, edge retention, and accuracy needed for full-time trade work. Built to punch through steel, copper, and plastics with minimal chatter, these bits are your one-stop solution for multi-size drilling. Add bulk supply, trade pricing, same-day dispatch, and the Industrial Shed Trade Guarantee, and you’ve got tools that keep the job moving without compromise.

► Multiple hole sizes in one tool
► Trade-grade materials & coatings
► Ideal for sheet metal & electrical work
► Ready for bulk orders & fast delivery

Frequently Asked Questions

Yes – all are compatible with standard cordless & corded drills.

Yes – choose high-speed steel or cobalt step bits from Bordo, SP Tools, or Milwaukee

A: For metals, cutting fluid will improve finish & extend tool life.

Brands

Alpha

Alpha
Makita Accessories

Makita Accessories
Milwaukee

Milwaukee
SP Tools

SP Tools
Wattmaster

Wattmaster