Gold Stepped Point Cobalt Drill Bit Set 29 Piece With Gold Oxide Finish For Quick Drilling In Acrylic Steel And Hard Metals In A Round Case Sizes One Sixteenth Inch To One Half Inch Sixty Fourths By Drill America

Gold Cobalt Step Drill Set for Fast, Clean Holes
✔️ 29-piece gold cobalt set with 135° split point and 3-flat shank

Drilling with this 29-piece cobalt drill bit set delivers faster starts, cooler holes, and longer bit life, ideal for acrylics, steels, brass, and other hard metals. The round, shatter-proof case keeps everything organized on the job site.

✅ 29-piece drill bit set in a round, shatter-resistant case
✅ Gold oxide finish reduces heat and extends bit life
✅ 135-degree split point starts holes true with less wandering
✅ 3-flat shank prevents slipping in the chuck; sizes 11/64" and smaller use round shank
✅ Works on acrylic, steel, brass, and other hard metals
✅ Sizes range 1/16" to 1/2" (29 total sizes)
✅ Jobber length for solid rigidity and smoother hole quality

💡 What is a cobalt drill bit with a gold oxide finish best for? This handy bit is designed for drilling hard metals and delivering long bit life. - High heat resistance for drilling steel and brass - Gold oxide coating reduces friction for smoother starts - 135-degree split point minimizes wandering - 3-flat shank ensures solid grip in the chuck