49-56-9305 Milwaukee Big Hawg Arbor with Carbide Teeth MILWAUKEE BIG HAWG with Carbide Teeth arbor is the best solution for our BIG HAWG hole saws. The 7/16" quick-change arbor is designed to hold both a hole saw and pilot bit securely in place while working on heavy duty applications. The arbor features exclusive bit geometry that holds all drilling parts secure while also allowing for easy bit removal.7/16" Quick Change ArborExclusive Bit Geometry aids in Plug RemovalCuts 1000+ More NailsCarbide Tipped for Fast Drilling in Nail Embedded Wood and Abrasive Materials50X Life in Nail Embedded Wood & Abrasive Material Applications5x Faster Cuts