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Bosch (SDT4) 1/4 In. to 7/8 In. Titanium-Coated Step Drill Bit

Bosch Part # SDT4 | UPC: 000346334029
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Original price $114.86 - Original price $114.86
Original price
$114.86 - $114.86
Current price $114.86

The Bosch line of step drills offers the ability to drill up to 13 different size holes with a single bit. Step drill bits are ideal for electrical, plumbing and HVAC contractors. Titanium-coated step drill bits remain clean and accurate even in the toughest materials; superior durability that lasts up to six times longer life than high-speed steel.


  • Super-hard titanium-coating lasts up to six times longer than high-speed steel
  • Titanium-coating reduces heat for longer life
  • Self-starting point starts on contact
  • Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron
  • Balanced double flute eliminates chatter and vibration

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