Tungsten Carbide Tipped Hole Saw Drill Bit 91614mm

Size:9/16"(14mm) LAIWEI TCT Hole Saws New third generation hole cutter design! ? Unique tungsten carbide dovetail tooth and thicker side wall for greater strength and durability ? Cut 40x more holes per charge with cordless drills ? Cut holes in 1/10 the time compared to bi-metal hole saws ? Tough Tungsten Carbide teeth extend past inside and outside walls for reduced friction and much faster cutting ? Large side gullet slots for fast chip removal and fast plug removal Materials Cut ?Metal plate ? Wood ? Sheetrock ? Fiber cement board ? Plaster ? Fiberglass ? OSB ? Chipboard ? MDF ? Other tough materials