This 6 piece drill bit set is specially designed for pen turners. These high speed steel are precision ground to produce clean entry holes and limit blowout. They are perfect for boring holes for brass tubes. They have excellent chip extraction via deeply ground flutes. This set comes with bits designed to make the most popular kits including: 7mm, 10mm, 11mm, 27/64", 3/8" as well as letter "O" (0.31”) bits. Made from high speed steel.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov