ATD Step Drill Bits
- ATD® - 5-piece Step Drill Bit Set (9200)5-piece Step Drill Bit Set by ATD®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by ATD® will last a lifetime. It...#4241 High Speed Steel is perfect for drilling holes in thin mild steel, aluminum, copper, brass, plexiglass, wood and laminatesTwo flutes design for true round holes and automatically deburrs as you drill$50.56In Stock - Ships within 24 hrs