Irwin Speedbor 5/8 In. x 6 In. Quick Change Auger Bit Master Mechanic balance and maintain alkalinity levels

balance and maintain alkalinity levels between 60 and 120 ppm

Manufactured With Premium High Speed Steel With Black & Gold Oxide Coating For Maximum Corrosion Existence

Open tooth design allows for more resharpenings

for new lawn coverage

Heavy Duty

Irwin Speedbor 5/8 In. x 6 In. Quick Change Auger Bit Master Mechanic balance and maintain alkalinity levelsSpeedbor MAX is the fastest Speedbor. Tri flute design for faster chip ejection. There are 3 cutting edges for added durability and the full screw tip allows the bit to self feed for easier pull through. 1 4' quick change hex shank prevents slipping in drill chucks and bit extensions. Fits all standard quick change chucks and adapters.