Mcj Tools 1-3/8" Tct Hole Saw Long For Stainless Steel Cutting, Thick Metal McJ Tools TCT Hole Saws Long are built for accuracy. Single-piece, versatile spring-loaded, designed to provide excellent wear and heat resistance. manufactured with premium grade solid carbide tips for added strength and durability. More hard wearing and longer lasting than HSS Hole Saws. made for thick Stainless Steel Cutting, also for a wide range of materials such as structural steel, cast iron, sheet metal, plastics, brass and copper. Manufactured with premium grade solid carbide tips for added strength and durability: up to 1/4" Cutting Depth for Stainless Steel More hard wearing and longer lasting than HSS hole saws Feature a spring loaded centre high cobalt pilot drill, to locate the hole and eject the core of material after the cut Designed for use in a chuck - can be used with drill press or a hand drill Up to 1/4" depth of cut with a hand drill and up to 1" with a drill press