Milwaukee 48899321 Step Drill Bit 9-28mm

The Milwaukee 48899321 Step Drill Bit, also known as the PG7-PG21, is designed for efficient drilling with 9 distinct stepping sizes ranging from 9mm to 28mm. It features a Rapid Strike™ tip for accurate centering and smooth starts without walking, suitable for use on ferrous and non-ferrous sheet metals, pipes, profiles, copper, brass, aluminum, stainless steel, and plastics up to 4mm thick.

Features:

• 9 drilling steps ranging from 9 mm to 28 mm
• Rapid Strike™ tip for quick, precise starts and reduced walking
• Dual-flute design for faster, chatter-free hole drilling
• Black oxide coating for extended tool life and durability
• Relief ground steps for simultaneous drilling and deburring
• Laser engraved size markings for long-term visibility
• Optimized for use with high-speed cordless drills
• 10mm shank with a 3-flat design to prevent slipping and ensure maximum torque
  

Specifications:

• Number of Steps: 9
• Drilling Range: 9 mm to 28 mm
• Overall Length: 68 mm
• Shank Diameter: 10 mm
• Material Compatibility: Ferrous/non-ferrous metals, plastics (up to 4 mm thickness)
• Product Code: 48899321
  

Applications:

• Drilling holes in steel, aluminum, copper, brass, and plastics
• Ideal for electrical panel and cabinet drilling, plumbing access holes, metal fabrication, automotive cable installations, and maintenance repair operations
• Suitable for enlarging existing holes and carrying fewer bits with wider size coverage
  

Includes:

• 1 Milwaukee 48899321 Step Drill Bit (9-28mm)