21 Piece Pro Grade Black Oxide Drill Bit Set
- Set includes 1/16″ to 3/8″ by 64ths drill bits
- 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 135-degree quick-cut points are self-centering and penetrate faster with less pressure…will not “walk” or “wander” at the starting surface
- Manufactured to Aerospace NAS 907-B specifications
- Made in the U.S.A.