PROS AND TRADESMEN ACROSS A WIDE VARIETY OF INDUSTRIES TRUST DIABLO'S HOLE SAWS FOR THE BEST RESULTS. Whether it’s wood, metal, plastic, stone or glass, Diablo’s hole saws offer longer cutting life, burr-free results and easy-to-equip solutions. Get up to 50X longer cutting life with Diablo's carbide teeth hole cutters and hole saws, or faster results thanks to Diablo's innovative Snap-Lock Plus™ mandrel system. Plumbers and general contractors everywhere are taking their cutting performance to new depths and increasing productivity with Diablo's range of carbide, bi-metal, rough-in or diamond grit hole saws.