Drilling Wood Plastic Plywood Ceiling Thin Metal With A 9-Point 6-Inch Bi-Metal STR BiMetal Hole Cutteris made of advanced welding technology in the current welding technology. Sharp teeth, low vibration Onetime complete and durable, shatterproof and short hole opening time Reminder: When opening the hole, you should add coolant to prevent shortening the life. Product Features ?Size?:9.6 inch hole saw (245mm) 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 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!