Router Dovetail Systems
Dovetail Jigs and Dovetail Router Bits
Router dovetail systems pair a jig that holds the boards with a dovetail bit and a guide bushing that follows the jig template. Porter Cable supplies the jigs: the 4210 12-inch, 4212 12-inch deluxe, and 4216 deluxe combination kit. Freud offers the largest bit range, with dovetail bits from 1/4-inch to 13/16-inch. Festool, Shaper Tools, and CMT add carbide dovetail bits and a 13-piece dovetail and straight set. The Milwaukee 49-54-0720 template guide assembly is made for dovetail routing.
What to Look For
- Through or half-blind. Half-blind dovetails hide the joint from the front, as in drawer fronts. Through dovetails show on both faces.
- Bit angle and diameter. Use the bit size and angle specified by your jig template. A mismatch leaves loose or tight joints.
- Guide bushing. The template guide must match the jig. Check the outside diameter called for in the manual.
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Router Dovetail Systems FAQ
Which Porter Cable dovetail jig should I choose?
The 4210 is the base 12-inch jig. The 4212 is the deluxe version, and the 4216 is sold as a deluxe combination kit. Templates and accessories differ by model, so compare what each listing includes before you buy.
Why do my dovetails fit loose?
Bit depth sets the fit on half-blind dovetails. Raise the bit slightly for a tighter joint or lower it for a looser one, and test on scrap of the same thickness.