Hole saws make both a hole and a round wooden disc using a thin serrated blade around a central drill bit. Before you start drilling, it's helpful to know what the different parts do and how they go together. 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

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.Hole saws can be attached to a regular cordless drill or a drill press. There are many types and sizes, which can be used for cutting wood, concrete, tile, and even metal.They're best used for drilling large diameter holes. Now that you know how to use a hole saw, you can drill holes in just about anything! I hope this guide was helpful, and if you have any questions, feel free to ask them below! If you need the hole in a precise location, drill a smaller pilot hole in the center first. This gives the hole saw's pilot bit somewhere to start, so it doesn't wander.

The arbor connects the hole saw to your drill. This piece is either detachable or fixed to the saw itself.Also, an arbored hole saw is generally easier for a beginner to use because the saw blade won't skip over the surface of the wood.A non-arbored hole saw is harder to control, so I'd only use them in a drill press with the workpiece clamped down to the table. Off our original price. Quantities may vary by store. Some clearance product and price points may not be available at all locations.

Hole saws can be dangerous. You're dealing with a lot of torque. If the saw binds while cutting, it can yank your arm and injure your wrist. Don't go too fast, and keep a good grip on your drill.If you want to save the cutout circle, then you may want to use a non-arbored hole saw. This way, you don't have a little hole in the middle.But if your circles will be painted, you can use wood filler to cover up the hole. Collar Screw -The collar will have a small set screw in the side that tightens with an Allen wrench, so you can adjust how far the bit protrudes.

Drive Pins -Sometimes the drive pins are part of the collar, sometimes they're a separate piece and sometimes you don't need them at all! Mine are mounted on a separate plate, which is only used on the larger hole saws. This keeps the saw turning at the same rate as the drill. You can also clamp a scrap of ¼" plywood over the hole, and start your cut on that. The pilot bit will have something to drill through to start the hole, and the teeth embedded in the scrap wood won't wander once the pilot bit punches through. How to Cut a Deep Hole To ensure that you choose the most effective hole saw for you and your projects, keep these factors in mind before purchasing. Blade Material https://youtu.be/vOUfFaIJUqo Video can't be loaded because JavaScript is disabled: How to Enlarge a Hole With a Hole Saw (https://youtu.be/vOUfFaIJUqo) A clever tip for enlarging existing holes is to make a plug for it first. Choose a hole saw that's the same diameter as the smaller hole, and cut a disc out of scrap wood. Switch to the larger hole saw and slide the plug onto the drill bit. The plug will fit into the hole and guide the 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.