Diablo 3/8 In. - 7/8 In. Impact Step Drill Bit, 12 Steps Pack options:Pack of 1 561 multi-purpose cutting bit

561 multi-purpose cutting bit

M2 high-speed steel cutting edge welded to a shatter-resistant spring steel back

Built-in stop helps to prevent cutting into mitre box

The composite structural

and screws

Diablo 3/8 In. - 7/8 In. Impact Step Drill Bit, 12 Steps Pack options:Pack of 1 561 multi-purpose cutting bitDiablos Step Drill Bits bring exclusive technology to the Electrician, Plumber and HVAC (heating, ventilation and air conditioning) contractor with fast, accurate cuts and increased stability in thin metals, PVC (polyvinyl chloride), and other plastic materials. The innovative Split Point Tip design enables a fast, on point start resulting in increased durability and up to 4X longer life. An automated precision grinding process on each step reduces