1-13/16" X 2" HSS Annular Cutter with Pilot Pin Quantity:1 Shoulder Diameter: 5/8"

Shoulder Diameter: 5/8"

and the through holes support use with pins

Part Number: BIT-KFD31/64

Part Number: BIT-DWDRSD1-5/64

Part Number: 87C375HSBA325G/PT

1-13/16" X 2" HSS Annular Cutter with Pilot Pin Quantity:1 Shoulder Diameter: 5/8"Product Description Drill America High Speed Steel Annular Cutters are designed for fast, efficient hole making and cut only that material necessary to produce a quality hole. High speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Sometimes called mag drills or magnetic drill bits, Drill America Annular cutters have a 3 4" Weldon Shank for use with magnetic drill