Ideal 35-512 Step Drill Bit, 1/4" - 3/4"

Titanium nitride coating dramatically extends bit life Split-point design for faster starts Unique double-fluted design for balanced cuts and cooler operation Shanks are 1 in. in length 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 dril