Thick, hardened backing plates prevent thread strippingDeep cut style holes saws will cut 2x material in 1 passIncreased high speed steel height (highest in the industry) improves hole saw durabilityUnique tooth design/set pattern for improved metal cutting performanceM3 steel provides increased wear resistanceLarger bi-metal portion for increased durability
1-1/8" Bi-Metal Hole Saw
Cutting in all woods, plastics, pipe, composite materials and metal