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You are here: Home / Woodworking / Pocket Hole Screws: The Definitive Guide and Best Pocket Screws

Pocket Hole Screws: The Definitive Guide and Best Pocket Screws

When it comes to carpentry, there are distinctions that the average layperson might never have heard of or even noticed. For example, not all screws are created equal–the type of screw you use depends on the situation. For example, when the screw is to be hidden out of sight–in a “pocket“–then a pocket screw is called for. Here, we’ll help you understand what distinguishes a pocket hole screw from the rest, then help you decide which brand will best suit your needs.

Contents

  • What is a pocket hole screw?
  • What do pocket hole screws look like?
  • What’s the difference between pocket hole screws and regular screws?
  • What is meant by “course thread” versus “fine thread,” and which should I use?
  • What’s the difference between a washer-head and a pan-head pocket hole screw?
  • Sizes and Lengths
  • Best Screws for Pocket Holes
    • 1. Kreg SK03 Pocket-Hole Screw Kit
    • 2. Milescraft 52000003 PocketScrewKit
    • 3. Kreg SML-C125-500 1-1/4″ Coarse Washer-Head Pocket Hole Screws
    • 4. Kreg CML-C250-250 2-1/2″ Coarse Pocket Screws with Washer-Head
    • 5. Kreg SML C250B-250 Blue-Kote Exterior Pocket Hole Screws
    • 6. Milescraft Pocket Hole Screws Bundle

What is a pocket hole screw?

Pocket hole screw

A pocket hole screw is designed to act as a joint between two boards, both of which have had angled “pockets” drilled into them to allow the screw to remain out of sight. While the screw needs to be exceptionally strong in order to secure the boards at the joint, the process is actually quite simple to learn. All you need is a pocket hole jig for drilling holes on your wood, after that secure them with pocket screws.

What do pocket hole screws look like?

Pocket screws

At first glance, there’s little to distinguish a pocket hole screw from any other screw. The head is generally flat-bottomed, with a square drive to prevent slippage. The shank is smooth for about half the length, at the spot where the boards will be held together. The “active” portion of the shaft ends in a sharp self-drilling tip that’s capable of drilling its own hole without splintering the wood.

What’s the difference between pocket hole screws and regular screws?

Regular screws vs pocket hole screwsAs mentioned above, the self-tapping tip is crucial for pocket holes, as it’s virtually impossible to pre-drill the holes without knowing how deep they need to go. Additionally, regular screws often have longer heads that curve down the shank portion, which could result in the screw drilling right through the other side of the board.

What is meant by “course thread” versus “fine thread,” and which should I use?

Course thread vs fine threadThis distinction is important regardless of screw type–you want to select the proper thread based on the hardness of the wood. For example, hardwoods such as oak require the use of a fine thread, while you’ll want a coarse thread for softer woods like pine.

What’s the difference between a washer-head and a pan-head pocket hole screw?

Washer-head screwWasher-head screws are the most popular for all kinds of application. Featuring a large flat bearing surface with the top is usually indented, it provides the strongest joint possible.

Pan-head screwPan-head screws feature a flat bearing surface and cylindrical sides. It has smaller head size and shank diameter, which work wonder with harder wood and prevent splitting in thin board.

Sizes and Lengths

Following is a list of different sizes and lengths, along with recommendations on which screw to use depending on the thickness of your material. Note that the job will be much easier if the two boards share the same thickness. If one is noticeably thicker than the other, you’ll probably want to sand it down before beginning work. Here is the size chart for pocket hole screws:

Pocket screw length
Thickness of BoardScrew Length
1/2″3/4″ or 1″
5/8″1″
3/4″1-1/4″
7/8″1-1/2″
1″1-1/2″
1-1/8″ 1-1/2″
1-1/4″2″
1-3/8″2″
1-1/22-1/2″

Best Screws for Pocket Holes

Now that you’ve learned a little bit about pocket screws in general, it’s time to take a look at the best products on the market. Here’s a detailed look at some of the top brands.

1. Kreg SK03 Pocket-Hole Screw Kit

Pocket-Hole Screw Kit - Kreg SK03
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Containing 675 pieces in all, this is a versatile screw kit that offers five of Kreg’s most popular types. All of the screws are self-drilling, featuring a deep #2 square drive. Arrives in a durable carrying case, which can be refilled easily once this batch is gone.

Sizes included:

  • 1″
  • 1-1/4″
  • 2-1/2″

While customer response to this product has been generally positive, several have noted that although there are indeed five different types of screws included, there are only three sizes, so the advertising is slightly misleading. Otherwise, the screws work as advertised and achieve solid results.

2. Milescraft 52000003 PocketScrewKit

Milescraft 52000003 kit
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This kit features both pan-head and washer-head screws in both threads and a variety of sizes, all in a durable and easy-to-carry packing case. There’s also a handy chart included, for helping to determine which screw to use depending on the thickness of the wood.

Sizes included:

  • 1″
  • 1-1/4″
  • 1-1/2″
  • 2-1/2″

Most consumers report that the kit offers a great value for the price, and that the screws are high quality. There have been a few reports of heads being molded incorrectly, thereby resulting in stripping, but not enough to assume that this is a widespread issue.

3. Kreg SML-C125-500 1-1/4″ Coarse Washer-Head Pocket Hole Screws

1-1/4-Inch Kreg SML-C125-500
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Another Kreg product, these screws are equipped with washer heads and a coarse thread, making them a good fit for softwood projects. Although it’s a uniform offering rather than a set, there are 500 in each box, so if you regularly deal with softwoods, these are a decent option.

Size included:

  • 1-1/4″

Testers claim that the screws are strong, hold up well, and are resistant to rust, which is essential if the finished product is meant to be used outdoors. Kreg receives consistently high marks in value–customers feel they’ve gotten their money’s worth for a quality product.

4. Kreg CML-C250-250 2-1/2″ Coarse Pocket Screws with Washer-Head

Kreg 2-1/2 inches pocket screws
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As the name suggests, this is a longer screw with a coarse thread, so it will be most effective on thick planks of softer wood (it will also work well on plywood). The washer heads are designed to sit flush in the pocket to reduce visibility. 250 per box.

Size available:

  • 2-1/2″

Reviews of the Kreg #8 have been mainly positive, with testers praising the strength and durability of the screws. Even first-time users report having no difficulty with the instructions or the product itself, which is a plus if you’re unsure how to begin. Note that these screws are also available in larger quantities.

5. Kreg SML C250B-250 Blue-Kote Exterior Pocket Hole Screws

Kreg SML-C250B-250 Blue-Kote 2-1/2 inches
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Much like the previous offering, the Blue-Kote is a 2-1/2 inch screw with a coarse thread and a washer-head. It’s also weather-resistant, so it’s a great choice for projects that are meant for outdoor use. The self-tapping tip is particularly sharp on this model, making for a cleaner hole.

Size available:

  • 2-1/2″

The Blue-Kote holds up well in field tests, with hobbyists using the product in numerous outdoor applications, including raised garden beds. Many testers discovered it while shopping around for similar screws, and lauded this one as their favorite. A few claimed that the screws have trouble holding the bit if the gun is set above a certain speed.

Exterior pocket hole screw

6. Milescraft Pocket Hole Screws Bundle

Milescraft Pocket Hole Screws Bundle
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This screw kit doesn’t offer as much variety as the two others on our list, but it has plenty to recommend it. The value pack includes three different sizes for a total of 250 zinc-plated screws. All feature a rounded star-drive washer head a coarse thread for softwood projects.

Sizes available:

  • 1-1/4″
  • 1-1/2″
  • 2″

Customer response to Milescraft was mostly positive, though not over the top. Most testers simply claimed that the screws served their intended purpose and seemed solid when in place. They don’t have a lot of fancy features, just a job to do, but at least it’s done well.

While you can’t go wrong with any of the screws on our list, some will serve your purposes better than others. Before beginning your search, be sure to familiarize yourself with the pocket hole screw chart, to get a feel for which screw will work best for the dimensions of your project. Of course, you might have more than one project in mind, in which case it’s best to start with one of the screw kits, featuring a variety of different sizes. If you find that you’re using a broad spectrum of sizes in both threads, it might even be a good idea to invest in more than one kit.

Whichever pocket hole screw you choose, we hope you enjoy the fruits of your labor for many years to come. Good luck with the search, and happy building!

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Comments

  1. Kevin Bergman says

    12/09/2019 at 6:51 pm

    any suggestions for a 3/4″ coarse thread screw for use in pocket hole work on 1/2″ softwood or ply material? Kreg only makes a fine thread in the 3/4″ length

    Reply
    • Andrew says

      12/10/2019 at 2:58 pm

      Hi Kevin,
      For a 1/2″ thick wood material, you can use screw from 3/4″ to 1″. I saw that Kreg has the Kreg SML-C1, which is a 1″ coarse thread screw that would work with your wood too. Hope this helps.

      Reply

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