Lock Miter Router Setup

Note that the markings are for reference only and particularly in the case of the fence location don t precisely represent the actual set up.

Lock miter router setup.

There are two sizes of the lock miter master jig. 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. With the lock miter master jig you can set up a lock miter bit in no time at all.

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. 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. That is the fence would never be set that far back. 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.

Set the approximate fence depth by visually. Align the midpoint of the lock miter cut with the centerline of the workpiece. A lock miter bit is one of the most challenging router bits to set up. Router bit item 55 502.

On the thread mentioned above there were many good suggestions for setting up the lock miter. You need to get both the fence position and the bit height exactly right in order for this joint to work. Check out our guide to learn the r. Set the initial router bit height by using a piece of your stock as a reference.

In an effort to not completely derail that thread i thought it would make sense to have a dedicated thread to discuss tips and tricks to setting up a lock miter joint on the router table. Simple steps for airtight joints.