Spyder Tungsten Carbide Tipped (TCT) hole saws make 10x more cuts and are 5x faster than standard bi-metal hole saws
High speed steel (HSS) pilot bit is for use on wood, fiberglass, PVC and other non-masonry materials
Use Spyder TCT hole saws for extended life, clean cuts and extreme material drilling versatility
Universal 5/8-18 thread