Manufactured from industrial high speed steel, surface treated for high performance and long life. M2 grade steel for drilling common steel (flat bar, angle iron, tubing), wood, and plastic. No center punch needed: Century’s 135° quick-cut points are self-centering and penetrate faster with less pressure. Drill bit will not “walk” or “wander” at the starting point. Manufactured to Aerospace NAS 907-B specifications. Made in the U.S.A. Set includes: 3/8″ Reduced Shank 1/16″ to 1/2″ drill bits.
