It also helps to improve product life and reduce drilling time as it decreases friction with the work surface, which in turn reduces the amount of heat generated.1-1/16 X 3 Sst Core Cut Weldon Shank This creates a perfectly smooth finish which allows for a better evacuation of material while drilling..
. DOUBLE-END STUB DRILL The state of the art cobalt blend provides these drill bits an uncomparable lifespan that would make any black oxide competitiors blush. Even if you want to drill a hole into sheet metal, thin material, for automotive or aeronautical purposes, for a rivet hole or simply to double the life of your current stub length drill bit, the ultimate effectiveness is now offered to you on a silver plate.
5 in.. Packed in resealable bag that preserves the disc from contaminants and drying. Quick-Step Instant Polish Disc The polishing paste is pre-applied on the disc.