Without messing with the bit or the fence settings, attach a featherboard to hold the face of the second piece against the router tables fence. 4.4 4.4 out of 5 stars (555) $30.99 $ 30. This is the best article I have seen on this subject. One piece is run vertically, the other horizontally. - Dave Moodie Tim Inman: I think trial and error is the best bet for you here. Chamfer Bit, Whiteside Router Bits 3360 45-Degree Lock Miter with 3-1/8-Inch Large Diameter and 1/2-Inch to 1-1/4-Inch Cutting Length, KEENTECH 45 Degree Chamfer Router Bits with 1/4" Shank, 3/4" Bevel Length, 1-37/64" Cutting Diameter, Tungsten Carbide Tip Industrial Grade Edge Forming Cutter for Woodworking, Blue (KT02031204), Amana Tool - 49400 Carbide Tipped Chamfer 45 x 1-1/4 Dia x 1/2 x 1/4" Shank. Highly recommended!! High hook and relief shear angles with wide open gullets for easy chip ejection. Instructions: Slowly dial up the RPMs on your router to the recommended maximum. The setup block was nice but not 100% necessary. Got the minimum desired squeeze out at the 90 degree inside and outside edges making for a very tight looking edge. Back to Woodworking Basics: Smart Bit Storage, Rockler Router Bit Storage Inserts, 10-Pack, Router Bit Set-Up Jigs for 22627 45 Lock Miter Bits, Rockler Bench Cookie Plus Work Grippers, 4-Pack, Rockler Drawer Lock Router Bit - 1" Dia x 1/2" H x 1/2" Shank, High-quality brands and products you can trust, Expert advice and free post-purchase support, Exclusive, innovative products that help you Create with Confidence, Detailed instructions, technical specs and guides to make the most of your purchases. Depending on the quality of the plywood the tongue will often break off. Used it to make legs for a Craftsman design dining room table. Fast and Free Shipping Free Returns Cash on Delivery available on eligible purchase. This joint makes it easier to assemble boxes and larger carcass workpieces togetherand significantly increases joint strength by increasing the gluing surface area. However, I find that setting the fence now eliminates the hassle of a second round of test cuts. When used on smaller projects, such as jewelry boxes and humidors (where tight corners count), a lock miter really shines. Perfect the first time, incredibly easy to set up. A shipping surcharge applies in addition to our regular shipping and handling fee. Please enter your email address below to receive a password reset link. - Save time puttying and filling those nail holes - no nailing required with the Lock Miter. The stock needs to ride tightly against the fence, but overdoing it can damage the delicate corner created by the bit. Free shipping. Perfect-fitting lock miters almost always require a little dialing-in. Theyre also used for larger projects, including legs and posts. Backordered items will be released and shipped automatically as soon as they are available. Youll receive a one-time email when this item is back in stock online. Odds are good that your joint will be a little off. Unfortunately not, because of the size and weight of the cutting head, the 1/4 inch shank is just not strong enough to support it during operation - it will bend and bow over time from the forces subjected on it, making it dangerous to use. Best of all, the joint produces a near perfect 90 degree joint with little effort.