6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits As with all our tools

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

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

Drill Bit Coating:      "TiN" specifically for aluminum

This High Performance end mill and AGT's introductory price is a "no brainer" This end mill is "ZrN' coated which gives this tool hardness and lubricity "like no other"

6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits As with all our toolsWhat 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.