Durable blow-molded case securely holds and protects bits. Kit includes four step bits (35-511, 35-513, 35-515 and 35-517). Kit provides a solution for every electrical hole size between 1/8 in. and 1-3/8 in.
IDEAL step drill bits for precise, repetitive drilling through the toughest materials including brass, carbon steel, cast iron, stainless steel, and more
These tough and reliable tools are constructed with a rugged titanium nitride exterior coating for protection, edge retention and corrosion resistance
Each step is gradually blended to ease stepping through hole sizes; reducing the need to keep changing drill bits
Split point design eliminates the need for a starter hole or punch and delivers three times faster starts, saving valuable time
The double-fluted design provides balanced cuts, more cutting surface compared to a single flute design, and cooler operation