DRILLCO - #4 STRAIGHT FLUTE DRILL - 710A004

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710 straight flute carbide drills increases edge strength, produces good size control, and hole surface finish. Used to drill difficult materials (up to Rc 60). Suitable for drilli ng out broken drills, taps, bolts, screws, studs, weldments and more!Solid carbide construction for extreme rigidity and strengthCarbide base material can drill up to 2x faster than HSSSelf centering 140° split-point for reduced thrust requirements and minimized walkingStraight flutes increase edge strength, and produce good size control and surface finishBright finish for added lubricityRound shank Show more