There’s no doubt that the Kreg Jig® makes it easier than ever to build with wood. That’s because Kreg Joinery allows you to assemble projects with screws instead of with complicated joints that require advanced skills and expensive tools.

The Kreg Jig® makes this possible, but it’s the Kreg Screw that makes it all work. After all, the Kreg Jig® creates the pocket hole, but it’s the Kreg Screw that holds your pieces together to create a strong, long-lasting joint. 

So, what’s so special about a Kreg Screw? Actually, there’s a lot. Here are just a few of the reasons that your Kreg projects demand Kreg Screws.

Square-drive prevents bit slipping while driving
When you’re building a project, there are few things more aggravating than having your driver bit slip, spin, and strip out the screw head. All too often, that leaves you with a screw you can’t drive the rest of the way in or back out, so you’re stuck. Kreg Screws have a square-drive head that works with a #2 square drive bit to drive screws without the driver slipping. That means you can drive every screw completely, quickly, and with confidence. 

Flat-bottom head seats firmly in pocket hole
Ordinary woodworking screws and drywall screws have a head with a conical shape on the underside. The head on a Kreg Screw is perfectly flat on the bottom. That flat shape mates perfectly with the flat pocket in a Kreg pocket hole. So, when you drive a Kreg Screw into the pocket hole, it the force is applied straight toward the screw tip, presses evenly on the pocket, and holds the joint tightly together, without deforming the pocket, which could split the wood.

Smooth shank draws the joint together
The threads on a Kreg Screw stop partway up the screw shank, which leaves a smooth area below the screw head. It’s there for good reason. When you drive the screw in, the threaded portion grabs into the workpiece you’re attaching to, pulling the screw in. The other piece glides freely over the unthreaded part of the screw, allowing that piece to pull tightly against the mating piece — without interference from unnecessary threads.

Case-hardened steel won’t bend, snap, or break 
Screws made from inferior materials are soft, so they can easily twist and break due to torque forces as you drive them in. Steel Kreg Screws are case hardened — a process forms a tough outer shell (or case) to make the screw tough, but keeps the core softer to prevent the screw from becoming brittle. That means you get the best of both worlds: a strong screw that won’t snap.

Self-tapping tip drills its own hole without splitting
When you assemble a joint with Kreg Screws, the pocket hole is all you have to drill. There’s no need for a pilot hole in the mating piece. That’s because Kreg Screws have a self-tapping tip that “drills” its own hole, so the screw drives in quickly and easily without splitting the wood, like ordinary screws often do. This makes assembly much easier, too, since you don’t have to worry about whether your pilot hole will line up correctly.

Matched to material hardness with two types of threads

Kreg Screws are available in two different thread types: coarse thread and fine thread. Why? Because different woods have different screw-holding abilities.

Woods like pine and spruce, for example (known as softwoods), are soft and not very dense. That means they need a screw with deep, aggressive threads that will bite into those soft fibers. Coarse Kreg Screws work great for these woods, and are also the preferred choice for sheet goods like plywood and MDF.

Coarse-thread for softwoods and sheet goods: Pine, Cedar, Fir, Spruce, Poplar, Aspen, Basswood, Butternut, Plywood, Particle Board, MDF, Melamine

Hardwoods like oak, maple, and cherry, on the other hand, are too hard and dense for coarse-thread screws. The aggressive threads tend to tear the wood fibers, resulting in splits in your wood. For these hardwoods, choose Fine Kreg Screws. The threads are less aggressive, but there are more of them to ensure great holding power without splitting.

Fine-thread for hardwoods: Oak, Maple, Cherry, Birch, Ash, Walnut, Mahogany, Hickory

Matched to material thickness with multiple screw lengths

Kreg Screws are available in multiple lengths, but there’s no need to be confused. All you need to know is the thickness of your material, and then choose the corresponding Kreg Screw length shown in the chart below. Each length is designed to provide the strongest possible joint in each different wood thickness by optimizing thread purchase without the risk of screw break-through.

Matched to intended application with multiple screw finishes

Whether you’re building projects for indoor use or outdoor use, there’s a Kreg Screw with the right composition to offer the durability and corrosion-resistance you need.  

Zinc-coated Kreg Screws are the ones you’ll use for most projects. They’re recommended for a wide variety of indoor projects that won’t be subjected to significant amounts of moisture. Zinc-coated Kreg Screws are suitable for use in kitchens and bathrooms.

Blue-Kote™ Kreg Screws are the best choice for damp or wet applications, including projects for your porch, patio, detached garage, or outdoor areas. These Kreg Screws feature 3 anti-corrosion layers to help them resist corrosion in wet areas for the long haul.

Stainless steel Kreg Screws are designed for use in extreme applications, excessive exposure to salt water, and other exceedingly corrosive environments, such as fastening ACQ-treated lumber.

Maxi-Loc™ Kreg Screws
The original and most-popular Kreg Screw is the Maxi-Loc™. This screw features a washer-style head that seats firmly in the pocket hole to draw the joint tight. Maxi-Loc™ Kreg Screws are available in lengths ranging from 1" to 2 1/2" in coarse and fine thread, and in all three compositions: Zinc, Stainless, and Blue-Kote™. Maxi-Loc™. Kreg Screws are compatible with the Kreg Jig® K4, K5, R3, and older Kreg Jigs® that use the standard Drill Guide Block.

Pan-Head Kreg Screws
Pan-Head Kreg Screws feature a smaller-diameter head, as well as a smaller-diameter screw shank. These two attributes make Pan-Head Kreg Screws great for use in tight spaces, as well as with extremely hard woods. These screws are also perfect for use in 1/2" thick boards and sheet goods, and in narrow pieces. Pan-Head Kreg Screws are available in Zinc only, in lengths ranging from 3/4" to 1 1/2" and in coarse and fine thread. Pan-Head Kreg Screws are compatible with the Kreg Jig® K4, K5, R3, and older Kreg Jigs® that use the standard Drill Guide Block.

HD (Heavy-Duty) Kreg Screws
HD Kreg Screws are made exclusively for use with 1 1/2" thick and thicker stock, making them perfect for building big projects using 2x and bigger stock. HD Kreg Screws have a large-diameter shank (#14) as well as larger washer-style head. They’re suitable for indoor and outdoor use thanks to a Protec-Kote™ finish (similar to our Blue-Kote™ finish). HD Kreg Screws are available in one length —2 1/2" and have coarse threads. HD Kreg Screws require the Kreg Jig® HD.

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Kreg® Projects Demand Kreg® Screws

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