Description of Bi Metal Drilling Plastic Plywood Ceiling
【Size】:10 inch hole saw (255mm) comes WITH ARBOR;Hole saw made of top HSS & Bi-Metal for Heavy Dusty capability improved durability with Rust-proof. 【Material】:Made of bimetallic material,microcrystalline coating,heat insulation+wear resistance+rust prevention. 【Advantages】:Center positioning,precise drilling,arc spiral chip flute,omni-directionalchip hole design,high efficiency,fast hole drilling,and low vibration. 【Features】: High hardness, wear resistance, accurate positioning, good chip removal, high efficiency. 【Scope of application】:Thin iron sheet,aluminum alloy,solid wood board,gypsum board,plastic.