The L.S. Starrett H0312 Safe-Flex Welded Edge Hole Saw is a 3-1/2 inch (89 mm) hole saw featuring a welded edge for high-speed cutting. It is part of Starrett’s Safe-Flex line, designed to provide durable edge construction for demanding drilling tasks. The 89 mm diameter defines the through-hole size this tool creates when used with the appropriate Starrett arbor and drill setup.
