WoodOwl Ultra Smooth Tri-Cut Auger Bit - 18" Length (Select Size) 12x16 Lansky Black Hard Arkansas Sharpening

Lansky Black Hard Arkansas Sharpening Hone

The surfaces should be flat

Like 3D printing has advanced so has a process called UV / HD  Printing

and Owner’s Manual

Screw system included

WoodOwl Ultra Smooth Tri-Cut Auger Bit - 18" Length (Select Size) 12x16 Lansky Black Hard Arkansas SharpeningThe Ultra Smooth Auger patented Tri Cut design which consists of three precision ground cutting edges and three flutes engineered for optimum performance. Unique head utilizes cutting spurs to scribe and bore extremely smooth holes with minimal blowout. 25 35% lighter than standard ship augers to reduce fatigue from extended use. Precision cut lead screw commandingly pulls the bit straight and true through the material without wandering. PTFE coated