A studio shot of the three Bosch HSS Turbo step drill bits from the set, shown at an angle.
A feature callout diagram of the 3-piece Bosch step drill bit set, highlighting the self-starting tip, double cutting power, spiral flute, and impact-rated shank.
A studio shot of the three Bosch step drill bits, shown in a row to compare their different sizes and step profiles.
A studio shot of the three Bosch step drill bits from the set, lined up in a row.
A close-up, abstract macro view of the dual spiral flutes and cutting edges of a Bosch HSS Turbo step drill bit.
An action shot of a worker using a Bosch cordless drill and a step drill bit to enlarge a hole in a metal electrical junction box.
A Bosch HSS Turbo step drill bit rests on a wooden workbench surrounded by metal shavings, with a construction site in the background.
A studio shot of the three Bosch HSS Turbo step drill bits from the set, shown at an angle.
A feature callout diagram of the 3-piece Bosch step drill bit set, highlighting the self-starting tip, double cutting power, spiral flute, and impact-rated shank.
A studio shot of the three Bosch step drill bits, shown in a row to compare their different sizes and step profiles.
A studio shot of the three Bosch step drill bits from the set, lined up in a row.
A close-up, abstract macro view of the dual spiral flutes and cutting edges of a Bosch HSS Turbo step drill bit.
An action shot of a worker using a Bosch cordless drill and a step drill bit to enlarge a hole in a metal electrical junction box.
A Bosch HSS Turbo step drill bit rests on a wooden workbench surrounded by metal shavings, with a construction site in the background.
Bosch

Bosch 3-Piece Turbo Step Drill Bit Set High-Speed Steel Impact Tough™ CNC Ground Multi-Diameter Burr-Free Hole Cutter for Metal Plastic Sheet

In stock
SKU: IMSDC003
$76.50
$76.99 Sale $76.50
Description

Drill Smarter, Faster, Cleaner – Turbo-Charged Performance for Sheet Metal & Plastics

Unlock precision and speed with the Bosch 3-Piece Impact Tough™ Turbo Step Drill Bit Set (IMSDC003). Engineered for professionals who demand clean, burr-free holes across multiple diameters, this set is ideal for electricians, HVAC techs, metal fabricators, and DIYers working with sheet steel, stainless, plastic, and non-ferrous metals.

Each bit features split-point tips for no-slip starts—no pre-punching required—and CNC-ground spiral flutes for optimized chip removal and reduced vibration. The axial and radial relief grinding ensures smooth operation and extended bit life, even under high torque. Designed for cordless drills, these bits deliver 2X faster cutting, 2X longer life, and 2X holes per charge—boosting productivity and reducing downtime.

What's Included

  • Three Bosch Turbo Step Drill Bits
  • High-Speed Steel construction with Impact Tough™ durability
  • Factory-sealed packaging

Key Features

  • Multi-diameter drilling with one bit—ideal for enlarging or deburring holes
  • Split-point tip enables fast starts without pre-punching
  • CNC-ground spiral flute reduces vibration and improves chip evacuation
  • Axial and radial relief grinding ensures smooth, controlled drilling
  • Cordless drill optimized—works in high-speed and low-speed modes
  • 2X cutting edges for faster penetration through tough materials
  • Designed for burr-free holes in sheet steel, stainless, plastic, and non-ferrous metals

Specifications

Brand Bosch
Model IMSDC003
Material High-Speed Steel (HSS)
Bit Type Step Drill
Pieces Included 3
Application Sheet metal, plastic, stainless, non-ferrous metals
Drill Compatibility Cordless and corded drills

Upgrade your drilling game with Bosch’s Turbo Step Bit Set—perfect for tool bags, job sites, and fabrication shops. Pair with Bosch impact drivers or drill kits for a complete metalworking solution.