6 Pack 7/16" Premium High Performance "TiN" Coated High Speed Steel Drill Bits
What is "TiN" Coating? Learn More!
6 Pack 7/16" "TiN" Coated High Speed Steel Drill Bit, 135 Deg Split Point, HSS, The Best High Performance drill bit for AR15 / AR10 / .308 Lower Receiver Jigs. Drill bits were designed specifically for drilling aluminum.