The Blue Diamond Auger Bits are engineered to deliver outstanding drilling performance across a wide range of applications—from fence post installation and landscaping to rock and tree-planting challenges. With options spanning Heavy Duty, Heavy Duty with Cast Head, Rock Bits and Tree Bits, these auger bits are built using high-quality steel, hardened fishtail or bolt-on teeth, and robust collar designs for secure fitment. They’re available in standard 4-foot lengths (with extensions in 2′, 4′ or 6′ available) and work in conjunction with Blue Diamond auger drives for maximum productivity and longevity.