Mortise Fixture for Router

This is a mortise jig for woodworking to be used with a router and a router bushing.  You can align the fixture on the wood piece and center it using the centerline built into the fixture.  There are multiple size fixtures for different size tenons to be used for .75" thick boards.  The different size fixtures are listed below.  Each fixture can be used with a .375" router bit and a .250" router bit.  Depending on which size bit you use will determine the length of the mortise.  These fixtures use a .750" OD x .654 ID router bushing.  To help you know what size mortise the fixture will is, the size is printed into the bottom of the fixture.  You just need to make sure you choose a different color filament for the text.

 

Fixture sizes are grouped.  Each fixture has two different length mortises depending on the diameter of the router bit.  They are listed below.

 

.375" Diameter bit = 1.00"L x .375"W

.250" Diameter bit =  .875"L x .350"W

 

.375" Diameter bit = 1.50"L x .375"W

.250" Diameter bit =  .1.375"L x .350"W

 

.375" Diameter bit = 2.00"L x .375"W

.250" Diameter bit =  1.875"L x .350"W

 

.375" Diameter bit = 2.50"L x .375"W

.250" Diameter bit = 1.375"L x .350"W

 

.375" Diameter bit = 3.00"L x .375"W

.250" Diameter bit =  2.875"L x .350"W

 

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