13/16" X 1-3/8" Carbide Tipped Annular Cutter with Pilot Pin Quantity:1 and are also compatible with

and are also compatible with JIS screws

Part Number: 62F550HCSSS/316

Wrench sizes with a 1/2 inch drive square include 1-9/16–2-5/8 inch and 41–50 mm

Part Number: 50C700WASS/316

13/16" X 1-3/8" Carbide Tipped Annular Cutter with Pilot Pin Quantity:1 and are also compatible withProduct Description Drill America Carbide Tipped Annular Cutters are designed for fast, efficient hole making and cut only that material necessary to produce a quality hole. The carbide tips allows for fast drilling of larger diameter holes with longer life and the ability to perform in more abrasive and harder materials than high speed cutters. Sometimes called mag drills or magnetic drill bits, Drill America Annular cutters have a 3 4" Weldon Shank