8 Inch Hole Saw With 1/2" Hex Shank Quick Change Arbor, Jtemgle Bi-Metal Hole Product Details When using a bi-metal hole saw, it is recommended to follow the proper precautions to ensure safe and efficient operation. Here are some guidelines to follow: Specification: Friendly Advice: RECEIVED PACKAGE COMPRISE -- In our hole saw storage case, you'll receive 1 x 8" bi-metal hole saw, 1 x 1/2" hex shank arbor, 3 x 1/4" center drill bits, and 1 x Allen wrench. Tips: ?Remember to Begin drilling slowly, ?Applying even pressure on the drill, and maintain a low speed to prevent overheating and ensure smooth cutting, ?Periodically withdraw the hole saw to remove debris and prevent binding. CONSTRUCTION ADVANTAGE -- Our bi-metal hole saw is expertly constructed from premium carbon steel and M42 high-speed steel. Cutting edges made of high-speed steel, electron-beam welded to a carbon steel body, provide the required hardness and wear resistance for cutting. While the carbon steel body offers flexibility and impact resistance. The unique blend of materials delivers the ability to withstand high cutting temperatures, reduces the risk of breakage and extends the life of the hole saw. EXCELLENT PERFORMANCE -- Our bi-metal hole saw featuring a variable pitch sharp HSS teeth, which means that the distance between the teeth varies along the circumference of the saw. This helps reduce vibrations ensures stable operation, and more smooth precise cutting. The slug ejection holes of the hole saw is to facilitate the removal of debris, which helps maintain efficient cutting performance and reduces the risk of the hole saw becoming clogged or bound WIDELY RANGE OF APPLICATION -- Not only capable of cutting 8" diameter holes in wood, plywood, plastic, drywall, soft plaster, cornhole boards, acrylic board, and soft metals. But also apply to installing canned lights, recessed lights, air ducts, speakers, and ceiling lamps in your home or workshop. Bi-metal hole saws usually have a cutting depth ranging from 1 inch to 2 inch (25 to 51mm), Meet most of your work applications. JTemgle's hole saw is an affordable tool for home projects. ORDER WITH CERTAINTY -- Experience exceptional after-sales support with our commitment to your satisfaction. Enjoy hassle-free returns and exchanges within 30 days, ensuring you get the perfect product. Our dedicated team is ready to answer your emails within 24 hours, providing prompt assistance and peace of mind. Choose us for unbeatable customer care! Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.