Lock Miter Joint Setup

You need to get both the fence position and the bit height exactly right in order for this joint to work.

Lock miter joint setup.

The lock miter router bit creates an accurate 45 degree miter with a built in tongue and groove to keep the joint aligned. Set the initial router bit height by using a piece of your stock as a reference. Simple steps for airtight joints. There are two sizes of the lock miter master jig.

Set the approximate fence depth by visually. A lock miter bit is one of the most challenging router bits to set up. The lock miter router bit creates an accurate 45 degree miter with a. Your goal is to have a and b equal to each other.

45 lock miter router bit instructions set bit height and fence depth 1. Align the midpoint of the lock miter cut with the centerline of the workpiece. The patented lock miter master jig is a precisely machined setup aid for use with lock miter router bits in your router table. 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.

Lock miters are also great at keeping parts aligned during assembly use this joint on drawers boxes or even hollow columns like newel posts you can cut a lock miter on end grain as shown in our photos or on the long grain almost anyplace you d use a miter you can successfully use a lock miter. 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. Set up perfect fitting lock miter joints in minutes. Kowood small 1 2 inch shank 45 degree lock miter router bit 1 2 inch stock joint router bit professional wood cutting tools.

Handsease 1 2 shank router bit 45 degree glue joint lock miter woodworking tools set 4 4 out of 5 stars 79.