Lock Miter Router Setup

First a diagram the numbers shown are for the infinity lock miter jr.

Lock miter router setup.

Once it does it delivers a very strong and elegant miter joint that is virtually impossible to detect from the outside and offers the additional advantage of being self. One is for smaller router bits cutting 3 8 to 3 4 thick stock the other is for the larger bits cutting 5 8 to 1 1 8 thick stock. You need to get both the fence position and the bit height exactly right in order for this joint to work. Set the initial router bit height by using a piece of your stock as a reference.

There are two sizes of the lock miter master jig. Router bit item 55 502. Set the approximate fence depth by visually. When correctly cut the parts go together at a perfect 90 degree angle and the interlocking tongues and grooves make for lots of mechanical strength and glue surface area.

In woodworking circles the lock miter is often referred to as a trick bit by a feat of geometric genius the bit creates both halves of a mitered corner complete with interlocking tongues and grooves with a single router table setup. Your goal is to have a and b equal to each other. A lock miter router bit cuts a 45 degree miter with a tongue and groove. 45 lock miter router bit instructions set bit height and fence depth 1.

Simple steps for airtight joints. A lock miter bit is one of the most challenging router bits to set up. Check out our guide to learn the r. With the lock miter master jig you can set up a lock miter bit in no time at all.

Align the midpoint of the lock miter cut with the centerline of the workpiece. On the thread mentioned above there were many good suggestions for setting up the lock miter.