Irwin 373412BX Bi-Metal Hole Saw 4-1/2"

Highlights :-

• Variable depth gullets for chip clearance
• Sharp, variable tooth design for fast cutting
• Bi-metal construction for toughness and long life
• Electron beam weld for stronger, longer lasting teeth
• Variable depth gullets provide more efficient chip clearance
• 4/6 Variable pitch teeth for reduced noise and improved performance.

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