1.TCT HoleSaw B-T6 Type 2.used for stainless steel drilling 3.we can design as per your specification Installed in ordinary electric drill, masonry drill, or bench drill with a stainless steel, cast iron, alloy, all kinds of wood, plywood, gypsum board, fiber products and other materials the best drilling equipment.application: Suitable for softwood, plywood, gas concrete, hardwood, plastic, ...