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"Once again all at LMI have surpassed all my expectations, quality of products, speed in processing my orders to the U.K., great packaging – a truly fantastic organization to deal with. One complaint, I spend far too much time browsing your very informative web site. Well done. A very big THANK YOU !!!!!!!!!". 

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Neck Joint Jig and Templates

  ROUTMortTenJigStraightSPMTKS
  SPMTS straight mortise & tenon template
  ROUTMortTenJigDovetailSPMTKD
  SPMTD, dovetail mortise & tenon template


Our O'Brien neck joint routing jigs
are currently not available.

Our new O'Brien jigs will be available
to order and ship Monday, March 7.

We will offer both the straight (NJRJS) and the dovetail (NJRJD) neck joint routing jigs. We think you'll like the changes we've made. Check back on Monday for detailed information about the new O'Brien Neck Joint Routing Jig.

LMI MORTISE AND TENON TEMPLATES
The LMI mortise and tenon templates (SPMTS, SPMTD) are designed to be used with the O'Brien Neck Joint Jig, but they can also be used separately. They are manufactured from 1/4 inch mdf to keep the price reasonable. If you expect to use these templates more than a few times in your shop, we recommend flooding the adjustment slots with cyano-acrylate glue to harden them a bit and prolong the life of the jig.

You need to use a 5/8 inch OD router guide bushing when using these templates. Sets of guide bushings can typically be purchased wherever routers are sold.  Our 3/8 inch bit (SPRB38) works well for hogging out the material on a dovetail–then you can follow with the 7 degree dovetail bit (SP7DT). Use the 1/2 inch straight bit (SPRB12) for use with the straight mortise and tenon template.

Router bits are not included with the kit.

The dimensions of the mortise and tenon prior to fitting them are:

  • Mortise - 7/8" (.875")
  • Tenon - 15/16" (.938") The tenon is slightly oversized so you can remove just a bit of material and get a perfect fit.

PLEASE NOTE: The dovetail mortise and tenon templates are different lengths to accommodate the offset created by the template guide when routing the dovetail mortise.

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