Century Drill & Tool 24015 Pro Grade Black Oxide Drill Bit Index Set, 15-Piece

15 Piece Black Oxide Industrial High Speed Steel Drill Bit Set includes 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" and 1/2". 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. 6 times life rating.

• Made in the USA, Pro-Grade High Speed Steel Drill Bit: Manufactured from, M2 steel, this black oxide drill bit offers high performance and durability, making it ideal for drilling wood, plastic, and common steels like flat bar, angle iron, and tubing
• Long-Lasting Surface Treatment: The black oxide coating enhances the drill bit's lifespan and performance, providing exceptional resistance to wear and tear during demanding projects
• Self-Centering Quick-Cut Points: Featuring a 135-degree quick-cut point, this drill bit requires no center punch and effortlessly penetrates surfaces with less pressure, reducing drilling time and effort
• Precision Drilling with No Wandering: Designed to prevent "walking" or "wandering" on the starting surface, this bit ensures precise drilling every time, even on the most challenging materials
• Aerospace-Grade Quality: Engineered to meet Aerospace NAS 907-B specifications, this drill bit delivers professional-grade quality and reliability for any drilling task. Set Includes: Metal index set includes 1/16" to 1/2" by 32nd pro grade drills.