35mm Bi metal Hole Saw Drill Bit Arbor Pilot Hole Saw Metal Wood PlasticSpecification WIDELY USED: Hole saws can cut 35mm diameter holes in wood, plywood, plastic, drywall, soft plaster, cornhole boards and thin metals. In addition to cutting holes for can lights, recessed lights, air ducts, ceiling lights, speakers and more. EXCELLENT QUALITY: Our 35 mm hole saw is made of M42 High Speed Steel and BI Metal for higher hardness(64HRC) and higher toughness. Use special heating process to extend service life and protect