Description:

Size:8.8 inch hole saw (225mm) 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.