Quick Change Carbide Hole Cutter Set 5PC

Milwaukee 49-22-8300 — 5-Piece Electrician’s Carbide Sheet Metal Cutter Kit

The Milwaukee 49-22-8300 is a 5-piece carbide-tipped sheet metal cutter kit designed for drilling clean, burr-free holes in thin metal materials, commonly used in electrical and HVAC work.

What it is

• Type: Carbide sheet metal hole cutter kit
• System: Quick-change arbor compatible cutting system
• Pieces: 5 cutters + arbor components (varies slightly by kit version)
• Material use: Thin metals (sheet steel, stainless, aluminum, etc.)
• Tool type: Used with hand drills (not impact tools)

What it includes (typical kit setup)

From manufacturer specs and listings:

• Carbide-tipped hole cutters:
  • 7/8"
  • 1-1/8"
  • 1-3/8"
• Pilot drill bit
• Quick-change arbor system

Key Features

• Carbide-tipped cutting edges → significantly longer life than bi-metal or HSS cutters
• Produces burr-free holes → clean finish in sheet metal and electrical boxes
• Works in stainless steel & structural steel studs (milwaukeetool.com)
• Also cuts aluminum, brass, cast iron, and thin non-ferrous metals
• Designed for hand drills (not drill presses required)
• Lubrication recommended (Hawg Wash cutting fluid) for longer life
• Quick-change arbor system for faster cutter swaps

What it’s used for

• Electrical box knockouts and conduit holes
• HVAC duct and sheet metal installation
• Metal stud framing (light gauge steel)
• Thin stainless steel fabrication
• General electrician and contractor drilling tasks