9 Piece Left Hand Drill Bit Set

9 PIECE LEFT HAND DRILL BIT SET Designed specifically for extracting broken bolts, studs and stripped out screws.  Also, referred to as “reverse-flute bits”, because the flute runs opposite of a traditional bit.  Intended to be used in reverse (counterclockwise) rotation so as to allow the bolt/screw to spin out of the hole while being drilled.  Effective on: hardened bolts, studs, stainless screws and bolts, hardened screws, Brass or Aluminum screws, mild steel bolts as well as nylon and plastic screws. Purchase with confidence ― Millner left hand drill bits carry an unconditional lifetime replacement guarantee. Key features: Can be used with a corded drill, cordless drill or (optimally) with a 1/4 inch impact driver 118 degree flat ground edge to reduce torque when drilling Reduced flute length to reduce breakage and to promote easier extraction. Chrome vanadium shanks offer more durability and longevity than traditional HSS steel Diameters included: 5/32”, 3/16”, 7/32”, and 1/4” Fo