Irwin 5/16 In. x 12 In. Black Oxide Extended Length Drill Bit large package chip removal and fast

chip removal and fast

ultra-elastic sealant made to permanently stop and prevent roof leaks

Best for use on bench top or pedestal grinders to sharpen metal cutting tools

Bright orange interior aids in finding tools faster

For 2-1/8" face bore with either drive-in or mortise face latch bolt

Irwin 5/16 In. x 12 In. Black Oxide Extended Length Drill Bit large package chip removal and fast135 degree split point drills on contact and prevent walking. Black oxide coating for greater wear resistance. Parabolic flute for improved chip ejection. Tapered web eliminates bit spinning in the chuck. For drilling through metal, wood, fiberglass, stainless steel.