Irwin 373434BX Hole Saw, 4-3/ Dia, 3/ Arbor, 4/6 TPI, ✓ Low Noise Operation Under 80 Decibels ✓ Fits Standard 1/2-Inch Drill Bits ► Start Drilling with Confidence
Variable depth gullets provide more productive chip clearance, 4/6 variable pitch teeth for reduced noise and improved performance. Electron beam weld for stronger, longer lasting teeth.





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