General Bor-Max Auger Bits General Equipment Company Bor-Max Auger Bits are heat treated alloy steel capable of digging holes up to 30 inches deep without an extension. Offers excellent digging performance for small, hand-held type earth auger products when drilling through unconsolidated soil classifications such as loams, sands, soft clays and granular rubbles. Features 2350 blade-type series earth augers and auger extension Designed to be used with the 200 series hole diggers Available in 2 inch (51mm) to 12 inch (305mm) nominal diameters Standard 30 inch (760mm) effective auger digging length without extension The plain shaft-type auger extension can be used with all augers and increases the digging depth by 15 inches (381mm) making all bits capable of digging a 45 inch hole (1143mm) Heavy-walled axle to better withstand bending and torque loads Heavy-gauged helicoid flighting for added structural strength Cupped flighting produces cleaner holes with less spill back The flighting pitch also minimizes the power required and maximizes the amount of soil removed from the hole Cast steel boring head for maximum strength and service life Cutting blade side clearance extends out past the flighting to minimize flighting wear and extend service life Field replaceable centering screw bit Field replaceable steel cutting teeth 1 inch (25mm) diameter round auger drive connection 3/8 inch (9.5mm) diameter auger pin connection All bits are 30 inches in length Extension bit is 15 inches in length All auger bits and extension come with a pin connection