Dymaxion - 6mm HSS Step Drill to 20mm | DRTH6-20

Bordo Dymaxion HSS Step Drill Bit 6–20mm | DRTH6-20

The Bordo Dymaxion DRTH6-20 Step Drill is a professional-grade solution for drilling multiple hole sizes in thin materials without changing bits. Manufactured from high-speed steel (HSS) with precision ground cutting edges, it delivers smooth, accurate, and burr-free results across a wide range of materials—ideal for electrical, fabrication, and installation work.

► Key Features

• High-speed steel (HSS) construction for durability and long service life
• Step drill design allows multiple hole sizes with one bit
• Double fluted cutting edges for smooth cutting and efficient chip removal
• No pilot hole required for faster drilling
• Burr-free drilling with minimal sheet deformation
• Automatic deburring for clean finishes
• Easy to sharpen for extended usability

► Technical Specifications

• Type: HSS Step Drill Bit (Straight Flute)
• Size Range: 6mm – 20mm
• Increment: 2mm steps
• Step Depth: 5mm
• Overall Length: 68mm
• Shank Size: 10mm
• Material Suitability: Steel, stainless steel, copper, brass, aluminium, plastics, laminates
• Application: Thin sheet materials and repetitive hole drilling
• Brand: Bordo Dymaxion
• Part No.: DRTH6-20

► Why Tradies Grab This

One bit that handles multiple sizes—perfect for sparkies and fabricators working with sheet metal and panels. Delivers clean, accurate holes without swapping drill bits, saving time and keeping jobs moving.

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