6.3 Inch Bi-Metal Hole Saw HSS Hole Cutter Heavy Duty for Drilling Wood Plastic Plywood Ceiling Thin Metal(160mm)

6.3 Inch Bi-Metal Hole Saw HSS Hole Cutter Heavy Duty for Drilling Wood Plastic Plywood Ceiling Thin Metal(160mm)

【Size】:6.3 inch hole saw (160mm) 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 STR Bi-Metal Hole Cutter is made of advanced welding technology in the current welding technology. Sharp teeth, low vibration One-time complete and durable,  shatter-proof and short hole opening time Reminder:  When opening the hole, you should add coolant to prevent shortening the life.