¾” Flighting. Dual Cutting Edges (sharpen-able, replaceable), engineered alloy. Spiral Center Point (replaceable), engineered to pull stump auger into the stump. 12” Bits are 48lbs. 16” Bits are 70lbs. 12″ stump planer bit requires an earth auger drive unit that can produce at least 3,000 foot-pounds of torque. 16″ requires an earth auger drive unit that can produce at least 5,500 foot-pounds of torque. Our stump planer augers are also not compatible with 3 Point PTO Augers for tractors.
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