Description Cuts trough ceramic, fiberglass, hard wood, cast iron, marble, glass, composites. Tungsten carbide grit hole saws with teeth. Super resistance to heat, wear and abrasion. With shock resistant back. Tungsten carbide grains are bonded to alloy backs with a gulleted, snag resistant edge. Cutting depth: 38mm. The long-lasting choice for cutting holes in materials too hard or abrasive for standard bi-metal hole saws, or so thin they would strip bi-metal or chip carbide teeth. Part Number: 065012120065A
