Doorknob and light fixture hardware -Door knobs and light fixtures require a precise hole for proper placement. Most other methods for cutting a circle won't work on a door or ceiling, so a hole saw will be a great help. Off our original price. Quantities may vary by store. Some clearance product and price points may not be available at all locations. Saw -The hole saw itself. The round saw usually has vents on the side to help prevent overheating and to allow the teeth to clear sawdust. Collar -This is what holds the pilot hole bit and the saw in place on the arbor shaft. There's a nut that goes over it to hold tight against the underside of the saw.

Start the drill, and allow the hole saw's teeth to make the cut. Don't apply too much pressure, and make sure to keep the power drill straight. If you notice one side of the hole getting deeper than the other, adjust your position so the saw cuts perpendicular to the work surface. Always use common sense, wear safety glasses, and make sure your mind (as well as your saw) is sharp before operating a hole saw. Spade Bit vs Hole Saw Use the hole saw to cut as deep as you can. Then remove it and use a drill bit to extend the pilot hole to the other side. Flip the board over and use the pilot hole to saw the rest of the way.Use a spade bitinstead of a hole saw to bore up to 1 ½" holes in wood when you don't need the plug and don't mind the rough cut edges. Spade bits have two sharp edges with a point in the center. As the bit spins, the edges shave out the wood. Crafts -Don't struggle with lopsided circles made with a jigsaw! It's much easier create the hole in a cornhole board, or to make giant Lego dots on the side of a DIY Lego table with a hole saw instead. Plumbing and ductwork -Hole saws can cut more than just wood. You can use one when installing ductwork, or to hook up a rain barrel to your downspout. The first time I opened up the case of my cheap Harbor Freight hole saw set, I was totally confused! All the blades were covered in oil and there were nuts and bolts that fit on some parts and not others. How do you assemble this thing?!? Online prices and sale effective dates may differ from those in-store and may vary by region. Dealers may sell for less.

If you can't flip the board or access the other side, you can try drilling a relief hole with a spade bit on the edge of the inside of the circle. After maxing out the cut with the hole saw, chisel out the remaining material. How to Remove Wood from a Hole Saw

Switch your drill to a high torque setting, then place the point of the bit at the pilot hole mark. CANADIAN TIRE® and the CANADIAN TIRE Triangle Design are registered trade-marks of Canadian Tire Corporation, Limited. An arbored hole saw has a pilot hole drill bit in the center, and a non-arbored hole saw doesn't. Choosing one over the other comes down to understanding what the pilot drill bit is and how it works. Hole saws make both a hole and a round wooden disc using a thin serrated blade around a central drill bit. After some cutting, pull out the saw to blow away the sawdust and let the blade cool.A hot blade can burn the wood inside the hole.