6 Pack 31/64" Premium High Performance"TiN" Coated High Speed Steel Drill Bits The combination of our extended

The combination of our extended length 3/8" rougher and 1/4" finisher is a GAME CHANGER

Don't be "FOOLED"  by our competition selling drill bits (with fancy names) coated with coatings not made for drilling in aluminum

No guarantee of successful results with the use of tooling other than "AGT's"

5/16" and 3/8" high speed steel

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6 Pack 31/64" Premium High Performance"TiN" Coated High Speed Steel Drill Bits The combination of our extendedWhat is "TiN" Coating? Learn More! 6 Pack 31 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 designed specifically for drilling aluminum.