7/8" Quick Change Tang Drive Steel Hawg™ Cutter

The Milwaukee 49-57-0877 is a 7/8" Steel Hawg™ Quick-Change Tang Drive Annular Cutter.

What it is

• Type: Magnetic drill annular cutter
• Model: 49-57-0877
• Series: Steel Hawg™ system
• Diameter: 7/8 inch
• Cutting depth: 1 inch
• Shank: Quick-change tang drive (for mag drill presses)
• Material: Carbide-tipped teeth

What it’s used for

This is for magnetic drill presses (mag drills only), used to cut clean, precise holes in:

• Structural steel
• Stainless steel
• Cast iron
• Mild steel
• Aluminum

Key features

• Carbide teeth + alternating cutting geometry → faster cutting and longer life in steel
• Cuts up to 1" depth in a single pass
• Produces a clean, reamed hole without pilot drilling
• Quick-change tang drive → faster swaps between cutters on the jobsite
• Works with Milwaukee mag drill systems (e.g., 4292-1 / 4297-1 with correct arbors)

In plain terms

This is a mid-size industrial steel cutting bit for a magnetic drill, used when you need a fast, accurate 7/8" hole through thick metal—like structural steel framing, fabrication, or mechanical installs.