Dymaxion - 4mm HSS Step Drill to 12mm | DRTH4-12

Bordo Dymaxion HSS Step Drill Bit 4–12mm | DRTH4-12

The Bordo Dymaxion DRTH4-12 Step Drill is a compact, trade-ready solution for drilling multiple hole sizes in thin materials without changing bits. Manufactured from high-speed steel (HSS), it delivers reliable durability, smooth cutting performance, and clean, burr-free results—ideal for electrical, fabrication, and general workshop use.

► Key Features

• High-speed steel (HSS) construction for durability and long tool life
• Step drill design allows multiple hole sizes with one bit
• Fast drilling without the need for a pilot hole
• Smooth cutting action with reduced grabbing and heat build-up
• Burr-free drilling with minimal sheet distortion
• Easy to control for accurate hole sizing

► Technical Specifications

• Type: HSS Step Drill Bit
• Size Range: 4mm – 12mm
• Material Suitability: Steel, stainless steel, copper, brass, aluminium, plastics, laminates
• Application: Thin sheet materials and repetitive hole drilling
• Construction: High-Speed Steel (HSS)
• Brand: Bordo Dymaxion
• Part No.: DRTH4-12

► Why Tradies Grab This

Perfect for smaller hole sizes where precision matters. A go-to for sparkies and installers needing clean, fast holes in sheet metal and panels without constantly swapping drill bits.

► Industrial Shed’s Trade Guarantee – Shop with Confidence

• We Stand By Our Gear: Built tough for demanding job sites.
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► Stock won’t last — get yours now at Industrial Shed!