Little Beaver Auger Blade 9023 8 8 Inch Standard Replacement Part (Hardened Steel Side Mounted Edge Bolt On Attachment Earth Drilling Soil Digging) Utility Knives Always clean the bored anchor Always clean the bored anchor hole thoroughly with a wire brush and blow out bulb before inserting the Power Stud This reduces job setup time and prevents accidental movement of the tool during mode changes Maximum Penetration Efficiency: Aggressive slicing action optimizes drilling velocities while lowering overall mechanical resistance on the primary motor clean soil openings to prepare 8 inch diameter fence posts or structural anchor foundations