Lock Miter Joint Setup

45 lock miter router bit instructions set bit height and fence depth 1.

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. 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. Set up perfect fitting lock miter joints in minutes.

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. Unlike setup blocks the lock miter master jig allows you to set the fence position and router bit height for the specific piece of wood you re working with. 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.

A lock miter bit is one of the most challenging router bits to set up. 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 the approximate fence depth by visually. There are two sizes of the lock miter master jig.

The lock miter router bit creates an accurate 45 degree miter with a built in tongue and groove to keep the joint aligned. With the lock miter master jig you can set up a lock miter bit in no time at all. Simple steps for airtight joints. Handsease 1 2 shank router bit 45 degree glue joint lock miter woodworking tools set 4 4 out of 5 stars 79.

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.