Types of Wood Screws

 

There are several different types of wood screws. The most common is the wood screw, which comes in various lengths and gauges. They are usually three or four inches long and feature a partially threaded shank, which allows them to be pushed towards the workpiece without getting stuck. This characteristic makes wood screws ideal for non-structural projects. To learn more about wood screws, read on. This article will cover some of the main types of wood screws.

Slotted Head

Flathead and slotted head Wood Screws are used in various construction projects. They have sharp points at the head that allow them to easily enter the wood and are typically threaded about two-thirds of the way through. If you want to install them in a wood project, you should use a smaller starter hole with a countersunk recess. Flathead wood screws are countersunk and have a conical bearing surface.

Black slotted wood screws are ideal for general wood applications and have a plastic plug. These screw types are also appropriate for masonry. For a more authentic appearance, use black slotted wood screws. You can buy them in 100 count packs. If you don't find a particular slotted head wood screw, you can always order a custom one. They are also available in metric and inch lengths. And because they are so popular, you can find them at a low price.

Wafer Head

One of the most versatile types of screws is the wood screw with a wafer head. These screws are commonly used for wood-to-metal applications and feature a sharp thread that creates a mating thread in predrilled holes. Sheet metal to wood screws, on the other hand, are fully threaded with a long point. They are often coated with a variety of metallic compounds, making them suitable for a variety of materials. There are more than 30 different colors available.

These screws have a threaded shaft and can be coarse or fine threaded. If the wood you're joining has a soft, porous texture, you'll want to choose a screw with fewer threads per inch. Meanwhile, if you're working with hardwoods, fine-threaded screws with a large, flat head are best. Wood screws with a wafer head have a low profile and a superior hold, but fewer woodworkers use them.

Self-Drilling

When it comes to self-drilling wood screws, there are several features to look for. The most important characteristic of this type of screw is its auger point. Screws with this feature are great for use in premium materials, such as pressure-treated wood. The type 17 point is not a common feature of this screw type, but it improves performance. The Type 17 point creates a slot that carves away material, eliminating the need for pre-drilled holds. Self-drilling screws are great for softwoods and hardwoods alike, but also perform well in particleboard and MDF. This is because of the deep thread form, which provides superior resistance to pull out and splits.

Another important feature is that self-drilling screws are designed with a point that efficiently removes material and sizes the hole for the thread. The length of the drill flute is an important criterion in selecting the correct self-drilling screw. The standard self-drilling screw is made from case hardened heat-treated carbon steel. Self-drilling wood screws are also easier to use than nails, as they do not require a drill bit.

SPAX

SPAX Wood Screws are available in bulk from wholesalers and specialty distributors. Their patented Multiheaded design features ribs on the underside of the head to prevent stripping out metal hardware, and their exclusive T-STAR plus drive eliminates camming. Suitable for interior and exterior work, SPAX screws are available with proprietary HCR-X(TM) Coating for freshwater and treated lumber.

Designed for use in both indoor and outdoor wood-to-wood connections, Spax screws are resistant to corrosion thanks to their Wirox surface. Their cylinder head makes them easy to countersink into the wood and features a full thread for absorbing high tensile forces. Plus, they don't require any pre-drilling, minimizing the splicing effect. Made in Germany, Spax screws are certified for wood-to-wood connecting medium by TUV.

They're strong, affordable and readily available in a vast range of sizes. But old-fashioned tapered steel wood screws can be a pain to use.
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— Joddie Marshall (@joddie_marshall) May 16, 2022

SPAX Construction Screws

The 4CUTTM point of SPAX construction screws is designed for fastening thin timber composite materials. Its squarish shape cleaves away wood fiber and pushes them aside, ensuring the screw's superior holding power. In addition, it reduces screwing torque and reduces splitting effects. The patented 4CUTTM point also allows you to use smaller screwdriver bits to screw in a single piece.

SPAX's "high corrosion resistance" screws have a dual barrier coating system that includes an electrically applied substrate and a proprietary organic topcoat. This dual barrier coating system extends the screw's life even when used with treated lumber. Power Pro screws, with multiple layers of zinc, are recommended for use with cedar and redwood. Other colors of SPAX screws are available besides bright, silvery zinc. Brass-plated screws have a vintage appearance that's stronger than solid brass screws. Black oxide-plated screws go well with contemporary-style projects.