4" Threaded Steel Hawg® Cutter

What it is

• Type: Annular cutter (mag drill bit)
• Model: 49-57-4000
• Series: Steel Hawg™ (threaded system)
• Diameter: 4 inches
• Cutting depth: 2 inches
• Shank/thread: M18 x 1.5 threaded (for magnetic drill arbors)
• Material: Carbide-tipped

What it does

This is the largest standard Steel Hawg cutter size in the lineup, designed for cutting very large 4" diameter holes in thick steel plate and structural steel using a magnetic drill press.

Key features

• Carbide teeth with alternating geometry for aggressive cutting and long tool life in steel, stainless, cast iron, and aluminum
• Cuts up to 2" deep in one pass
• Spring-loaded ejector pin for accurate centering and easy slug removal
• Up to ~3× faster than twist drill bits in structural steel applications
• Designed for magnetic drill presses only (high-torque threaded system)

What it’s used for

• Structural steel fabrication
• Heavy steel plate drilling
• Bridge / industrial construction
• Large anchor and bolt holes
• Stainless steel and cast iron