6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits Drill Bit Coating: "TiN" specifically

Drill Bit Coating:      "TiN" specifically for aluminum

Brownells Compatible 80% AR-15 Lower Receiver Jig Tooling Kit

Drill Bit Only Combo         SHOP HERE

5" OAL and 1/8" ShankCoated with our proprietary "F55" coating for extreme hardness and lubricity for longer tool life

As with all our tools we have taken the time to design each and every tool to meet and exceed customer expectations

6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits Drill Bit Coating: "TiN" specificallyWhat is "TiN" Coating? Learn More! 6 Pack 1 4" "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.