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Machining Drill Bits

45,169 products found

Browse Grainger’s selection of professional machining drill bits including double end bits for use on sheet metal, extra-long bits for deep drilling, short and rigid mechanics length bits, micro bits for small diameter applications, and solid spade bits to drill shallow holes and cut thin metal sheets. We've also got spotting drills to prevent the misalignment frequently caused by using regular drills for centering, tapper length bits with longer flutes for deeper holes, and solid thermal bits with wobble-free threaded bushings. All that plus jobber length, reduced shank, screw machine, straight flute, and tapper shank bits to fit your specific drilling job needs.