Core Drills Are To Designed To Enlarge Existing Holes.
Core Drills are made of high speed steel for long lasting durability and strength. They feature a normal spiral with helical flutes for accurate drilling. Since chip loads are spread over a greater number of cutting edges, reduce the regular drill speed 25% and double the feed rate. Features a right hand (clockwise rotation) cutting direction and standard shanks that correspond to the drill diameter. The black oxide finish helps prevent wear and tear. Choose from 3 Flute and 4 Flute designs. The 4 Flute is manufactured to close tolerances and eliminates the catching and hogging experienced with standard S&D drills. Available with various shank styles, including Straight, 3 Morse Taper, 4 Morse Taper and 5 Morse Taper. Dimensions vary from model to model.
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