✓9.25 Inch / 235mm Large Hole Saw: Designed for cutting clean 9.25 inch diameter holes with an approximate cutting depth of 1.24 inch / 32mm, suitable for large openings in wood panels, plywood, drywall, plasterboard, air ducts, speaker cutouts, ceiling projects and other DIY or installation work
✓Durable HSS Bi-Metal Teeth: Made with sharp high-speed steel bi-metal teeth for smooth cutting, better wear resistance and cleaner hole edges in wood, plastic, drywall, plywood and other soft materials, providing a practical choice for large-diameter hole cutting projects
✓3/8 Inch Hex Shank Arbor Included: Comes with a 3/8 inch / 9.5mm hex shank mandrel, compatible with most standard hand drills using 3/8 inch or 1/2 inch drill chucks, with included arbor, pilot drill bit and spring to improve positioning and drilling stability
✓Compatible Materials: Suitable for wood, plywood, plastic, gypsum board, plasterboard, thin aluminum, thin iron sheet and thin stainless steel sheet within about 1mm, not designed for thick steel plate, hardened metal, ceramic tile, porcelain, marble, granite, quartz, concrete or brick wall
✓Complete Hole Saw Kit: Includes 1 bi-metal 9.25 inch hole saw, 1 arbor with pilot drill bit and spring, 1 extra pilot drill bit and 1 wrench, with recommended use at low speed, steady drill handling, avoiding excessive pressure, and using cooling or cutting lubricant when drilling thin metal