Are drawer lock joints the same as the tongue and dado joint nitewalker posted? I know them as tongue and dado joints as well. From contributor J: A locking rabbet is going to make a little better drawer. Similar to the drawer lock bits. With the hammer test, three pocket screws and a butt joint will hold up better than the rabbet or lock joint (in plywood). I am going to be making drawers out of plywood want to know wether I should use rabbet joints or box joints. appearance is of no concern, these are for a tool chest. Top finishers were the Box Joint, Lock Miter, Lock Rabbet and Through Dovetail.
I was going to make the drawers using a lock miter router bit on my router table. There will be three sets of three different depths of drawers, 24 X18 and then 8in. The 2nd cabinet I used a locked rabbit joint on the table saw with a dado stack. With this I needed to use 3/4in fronts and 1/2in sides. Although you can build drawer joints using any number of methods, we think lock-rabbet joints like the ones below make sense for attaching the sides, fronts, and backs of most drawers. Although not as strong as a dovetail joint, a well-made lock-rabbet joint will hold up fine unless the drawer takes heavy, regular pounding. I have this clear recollection of an article on a simple table saw joint for 1/2′ plywood drawer carcasses but I’ll be darned if I can find it. Any help? Is that what you mean?
DIYNetwork.com experts demonstrate how to cut a lock joint. Our Drawer Lock Bit routs a joint similar to a locking rabbet, but the rabbet is wedge-shaped so the parts fit tighter when clamped. A single bit routs both parts of the joint, and is capable of routing joints for drawers with applied drawer fronts, and for drawer boxes where the finished front is integrated. One caution: don’t even think about using this for plywood drawer sides. At any speed, the bit blows out even 7-ply material. If so, a locking joint that combines a rabbet with a dado is the perfect solution. Drawer boxes are a great example of a need for high strength, because they’re stressed twice with each use. I’ll use a piece of 1/8 plywood as the drawer bottom, so a quick pass over a standard blade does the trick (Photo 1).
I haven’t used a lock miter bit on plywood but have used a drawer lock bit. The ply does tend to tear so I use a Japanese style cutting gauge to score prior to routing. 45 Lock Miter Router Bit. It takes a while to figure out an exact setup for this, but with a little patcience you’ll be making some very nice joints very quickly. Since my drawer sides and bottoms are both plywood, you could glue the bottom panels in. Here’s an easy way to create a rabbeted drawer lock joint, using only a 1/4 slot cutter. Woodsmith Tips, Plywood Drawers, Woodworking Joint, Book Shelves, Woodworking Tips, Dadoes Woodsmith, Category Woodworking, Plywood Joint. Here’s an easy way to create a rabbeted drawer lock joint, using only a 1/4 slot cutter. It’s easy and it’s fast. One set up will do all the joinery and allow you to cut the grooves for the drawer bottom. It’s easy and it’s fast. I’m planning to build the carcasses and drawers for both from decent quality cabinet grade plywood. I do lock rabbet joints for plywood drawers. USES: Forms a locking rabbet-style joint that increases gluing surface and locks drawer boxes together.