Dymaxion - Carbon Steel Step Drill Set | DRTHKIT3

Bordo Dymaxion HSS TiN Coated Step Drill Bit Set 3 Piece | DRTHKIT3

The Bordo Dymaxion DRTHKIT3 Step Drill Kit is a versatile, trade-ready solution for drilling multiple hole sizes in thin materials without changing bits. Manufactured from high-speed steel with a Titanium Nitride (TiN) coating, this 3-piece set delivers long service life, smooth cutting, and burr-free results across a wide range of applications.

► Key Features

• HSS construction with Titanium Nitride (TiN) coating for extended durability
• Step drill design allows multiple hole sizes with one bit
• 1/4" hex shank for quick change in impact drivers and drills
• Spiral flute design for smoother cutting and efficient chip removal
• No pilot hole required for faster drilling
• Burr-free drilling with minimal sheet deformation
• Automatic deburring for clean finishes

► Technical Specifications

• Type: HSS Step Drill Bit Set (Spiral Flute)
• Set Size: 3 Piece
• Sizes Included: 3–12mm (1mm steps), 4–12mm (2mm steps), 4–20mm (2mm steps)
• Shank: 1/4" Hex
• Material Suitability: Steel, stainless steel, copper, brass, aluminium, plastics, laminates
• Coating: Titanium Nitride (TiN)
• Application: Thin sheet materials and repetitive hole drilling
• Brand: Bordo Dymaxion
• Part No.: DRTHKIT3

► Why Tradies Grab This

One kit that replaces multiple drill bits—perfect for sparkies, panel builders, and fabricators. Delivers fast, clean holes in thin materials with minimal burrs, saving time on deburring and tool changes on-site.

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