Welcome to Atlas Industrial Supply, Inc. Here you can find: Mastercut tool corp. Offering the largest standard line of carbide burs, along with a full line of endmills, routers and other cutting tools. At Mastercut Tool we manufacture only the finest quality carbide products. Our 37000 square foot facility is stocked with state of the art CNC grinding equipment. Our low overhead keeps prices competitive and our use of advanced machinery keeps deliveries to you on time and when you need it.