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A single purpose half-blind dovetail jig like the PC 4112 makes sense for those who want to make drawers and boxes employing half-blind dovetails without a lot of fuss. The jig is solid and produces a perfect half-blind dovetail joint everytime. If you're looking for a small production jig, the PC 4112 should suffice. If you plan on making tons of drawers day in and day out, consider the PC 5116 or PC 7116. These later jigs have cast iron bases and cam operated clamp bars. They employ a similar aluminum template as the PC 4112. The 5116 template accomodates widths up to 16" and the 7116 template accomodates widths up to 24".
I prefer the PC 4112 over the Woodstock Intl/Harbor Freight jig. I have used both extensively. First of all the PC 4112 is much easier to setup. The PC 4112 edge guides are stamped so that it references both the drawer front/back and side automatically. The Woodstock dovetail jig drawer front/back and side guides are separate. Second, the depth (side into drawer front/back) adjustment is much simplier on the PC 4112. The Woodstock requires that you adjust a stop bar. It can be done, I've done it, but it is a pain. Lastly, the aluminum template of the PC 4112 does not flex--the Woodstock template does, leading to uneven cuts if you're not careful. The advantage of the Woodstock jig is the cam-action clamping bars, though I doubt the plastic components would survive frequent use. I recommend the PC 4112 jig whole-heartedly to anyone wanting to construct drawers or other projects using Half-Blind Dovetails.
I also have used the Leigh dovetail jig for years. For through dovetails it is hard to beat. But I don't like using it for half-blind dovetails because of its somewhat lengthy setup and the fact that you machine one drawer component at a time. The advantage of the Leigh is that you have complete control of the tail/pin layout.
I recently sold our PC 4112 to a friend and purchased the PC 7116 Omnijig. A review is on the way. Let me just say that the Omnijig is the jig to end all jigs as far as milling fixed-spaced half-blind dovetails in a production environment. The accompanying video is excellent in showing one how to setup the jig and covers the optional features that I doubt I will purchase. I don't regret purchasing the PC 4112, for the money it is hard to beat. But if you want speed and 16" to 24" capacities, the Omnijig may the answer. Currently we are using the PC 7116 and Keller for our drawer and box construction. (By the way, most often I use a false front on my drawers. Consequently, a through dovetail jig like the Keller will do just fine for drawer construction and in fact a surprising number of professional cabinet shops use the Keller for their drawer construction.)
The PC 4112, in my book, is the best buy in the Half-Blind dovetail jig market. There are a number of spin offs, RBI, Hartville that would carry the same recommendation.
|PC4112 Review Page 2|