Stone Tools ST-333 1/2-Inch, 1/18-Inch and 1-3/8-Inch Sizes Titanium Step Drill Bit

Description

Stone Tools Titanium Step Drills last up to 6 times longer than traditional high speed steel step drills. They penetrate the material 75-Percent faster for higher productivity with 25-Percent less effort. They are designed with a double flute for smooth fast penetration. Used in tough work applications and Industrial production. For drilling holes in materials such as aluminum, copper, steel, stainless steel, and plastic. Self starting - no center punch required. Shank size 3/8-Inch.