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Building Cabinets With Pocket Screws

Pocket screws let you assemble perfect, indestructible cabinet joints without expensive woodworking tools or complicated jigs—a huge leap forward for beginning woodworkers.

By the DIY experts of The Family Handyman Magazine

Building Cabinets With Pocket Screws

Pocket screws let you assemble perfect, indestructible cabinet joints without expensive woodworking tools or complicated jigs—a huge leap forward for beginning woodworkers.

By the DIY experts of The Family Handyman Magazine

Buy a good pocket screw jig

Pocket screw joints are best described as a screw version of toenailing, where boards are joined by angling a fastener through the edge of one into the other. The concept is simple, but the precisely engineered drill guide (the jig), drill bit and pocket screws are what make the system so easy and foolproof.

We purchased a standard kit that contained the Kreg jig shown, the special clamp and the stepped drill bit with a stop collar and square driver bit. Avoid the temptation to buy an inexpensive jig; you’ll never experience the real benefits of pocket screws if you’re frustrated by a poorly designed tool. Less-expensive jigs lack the self-aligning lip and built-in clamp found on this and other high-quality models. You can get higher-priced pocket hole jigs that have more elaborate clamping systems and built-in motors to speed up the operation, but the end result is essentially the same. This short tutorial will show you how to use a pocket screw jig.

The joinery system is incomplete without the specially designed pocket screws. These screws have a narrow shank with a thread-cutting tip to avoid splitting hardwoods, and a strong head with a square recess for slip-proof driving. The most common length is 1-1/4 in., the best size for joining 3/4-in.-thick material. Corrosion- resistant exterior screws, washer head screws for joining particleboard, and hi-lo thread screws for softwood are also available.

Pocket screws

Wood plugs

Pros and Cons of Pocket Screws

Pros:
Pocket screw joints have many advantages over more traditional joinery:

  • You can assemble large frames without needing an arsenal of expensive clamps because the screws provide the clamping action while the glue dries.
  • No fancy cutting is required; joints are simply butted together, saving time and reducing tool costs.
  • The use of an alignment clamp during assembly ensures flush joints without any tricky measuring.

Cons:
Pocket screw joints aren’t perfect:

  • Every joint leaves behind a long, oblong hole that looks bad when it’s prominent, like on cabinet doors. Luckily, you can order wood plugs in just about any species to fill these odd holes—you just glue them in and sand them flush. Dowels, biscuits or mortise-and-tenon joints would be a better choice if the backside of a joint will be highly visible.

Building the coat locker

The coat locker we built is constructed of 3/4-in. birch plywood with 3/4-in. solid-birch boards for the face frame, drawer sides and front, baseboard and top edge. The back and drawer bottoms are 1/4-in. birch plywood. We purchased the plywood and boards from a local hardwood lumber supplier. This is usually the best source for good-quality hardwood boards, and you can have them cut to the right width and planed smooth on all four edges. You can also get your materials at home centers and full-service lumberyards.

Even though this coat locker is built with simple pocket screw joints, many of the parts must be cut to precise dimensions. Use a power miter saw to cut the face frame, edge band, drawer sides and moldings.

Cut out the plywood parts and drill pocket holes in the horizontal fixed shelves (A) and top and bottom pieces (also A). See Photo 1. For this project, the pocket holes will either be hidden from view or filled, so there’s no need to precisely locate the holes.

Join all of the horizontal panels (A) to the uprights (B1 and B2) with pocket screws, making sure to face the screw holes to the hidden or least conspicuous side (Photo 2). Check the cabinet box for square by measuring diagonally across the corners.

Since screws enter the center upright panel from opposite sides, be sure to offset the pocket holes so the screws don’t collide.

Now you can use the box as a pattern for cutting out and joining the face-frame parts.

Figure A: Coat Locker

Figure A: Coat Locker

A complete Cutting List, Materials List and Shopping List are available in Additional Information below.

Cut the frame and drawers

Cut the 3/4-in. solid-birch face frame parts to length using a power miter saw. For tight-fitting joints, the edges of the boards must be square to the face and the end joints cut perfectly square. Bore the pocket screw holes (Photo 3). Now assemble the frame without glue and set it onto the box to check the fit. Take the frame apart, adjust the size if necessary, reassemble it using glue, and attach it to the box (Photos 4 and 5).

Photos 6 and 7 show how to assemble the drawer box and attach the slides. We used the inexpensive epoxy-coated drawer slides shown, but for better access to the drawer interior, you could install full-extension slides instead. Use whatever shimming material you have around to build out the sides of the drawer compartments flush with the edge of the face frame. Then you can mount the slide as shown in Photo 7.

Attaching the drawer front (T) so it’s perfectly aligned is a little tricky. Start by drilling four 5/16-in. holes in the front of the drawer box. Place the drawer in the opening. Use double-faced carpet tape or hot-melt glue to temporarily secure the drawer front to the drawer box. Gently open the drawer and clamp the front to the box. Attach it with four No. 8 x 1-1/4- in. pan head screws with No. 10 finish washers under the heads. Snug the screws but don’t tighten them. The extra-large holes will allow you to tap the drawer front into exact alignment before you fully tighten the screws.

Construct the cabinet top by attaching edging strips (K1 and K2) to the plywood (C) with pocket screws (Photo 8). Use this same procedure for edge-gluing boards for a tabletop or attaching wood nosing to a counter.

Complete the cabinet as shown in Photo 9. Glue wood plugs, available from the Kreg Company, into the exposed pocket holes on the cabinet interior and sand them flush.

Now you know how to use pocket screws in some of the more common cabinetmaking applications, but don’t ignore other possibilities. Once you get the pocket screw joining bug, I’m sure you’ll come up with your own innovative uses for this ingenious little connector.

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Cordless drill
    • Tape measure
    • Circular saw
    • 4-in-1 screwdriver
    • Drill bit set
    • Framing square
    • Hearing protection
    • Orbital sander
    • One-handed bar clamps
    • Pocket hole jig
    • Safety glasses
    • Speed square

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January 22, 10:42 AM [GMT -5]

I typically don't buy alot of tools and gadgets... but I bought the pocket screw
jig and I've been hooked ever since.... good deal in my book. I'd recommend
buying the clamp as well depending on the jig you buy some need that if it's
the portable kind ( I recommend the portable ones you can clamp to the piece).

good stuff

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