Compare Quick view Walter SKU: SMT56011 Walter 16.66mm Carbide Drill Tip Insert QTY1 P6004-D16,66R WNN25 (LOC2240) Grade: WNN25 Material: Carbide Cutting Diameter: 16.66mm (.66") MPN: P6004-D16,66R WNN25 EDP: 5684485 MSRP: Was: Price Now $49.95 1 In Stock Quantity Add to Your List