6 Pack 21/64" Premium High Performance "TiN" Coated High Speed Steel Drill Bits
6 Pack 21/64" "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 specifically designed by AGT for drilling aluminum.
