The unique thread design drives up to 20 percent faster without predrilling, and the no-split twist shank eliminates splitting and cracking. Countersinking blades enable a more secure connection into the wood surface. The star drive eliminates cam-out for a smoother drive. This pack includes 9 3-inch deck screws. If you are working with composite decking, opt for these specialized screws.
The self-countersinking design and extra sharp point reduce the need for predrilling, even in hardwoods. The star drive withstands up to twice the torque that Phillips or square-drive screws handle. The threads on these screws are deep, wide, and sharp, and are compatible with treated lumber deck framing.
The screws normally used for decking are not made to handle the working loads of framing. Although many deck framers use galvanized nails, these screws are another useful option. They are made of specially hardened steel for high tensile, torque, and shear strength. The screws have sharp threads and points that quickly bite into frame material to reduce splitting. The round head with a built-in washer plus the added shoulder beneath has no sharp edges.
This helps center the screw into predrilled connector plates. Take on the next deck building or repair project with this pack of deck screws by Deck Plus.
The length of the screws and the 4-layer protective coating combine for ideal securing of joists, joist bearings, and joist hangers on outdoor building projects. The epoxy coating is highly effective at safeguarding against chemical corrosion, rain, wood sap, snow, UV radiation, and temperature fluctuation to extend the life of the screws and the deck.
The flathead design allows the screws to sit flush with the deck, while the self-tapping tip and threads easily cut through wood. The thick protective coating can slow the driving speed of the screws in some cases. Finding the right deck screw to properly connect a support post to the framework of the deck means looking for a product that is both long enough and strong enough to handle the necessary tensile, torque, and shear loads.
For the best experience on our site, be sure to turn on Javascript in your browser. Though a crucial and essential part of the deck building process, Deck Screws can often be overlooked. With so many options and similar looking products, how's anyone to know what type of screw is the best for them?
Here's an overview to help you understand the different parts of fasteners as well as the most common applications for them. From hardwoods to treated lumber, to composite and capstock decking, or even metal framing; DecksDirect can provide the perfect fasteners and lags to complete your project without rusting, splitting or mushrooming your material.
Help your deck last its longest and constantly look its best with the right Deck Screws and Fasteners for your design. The head of the screw will be the area on top that will still be visible when fully installed.
The style and shape needed will vary based upon the material and application the screws are being used. The drive is located within the head of the screw and determines the driver bit that will be used to install the fasteners. The more engaged your drive type, the less prone your screw is to stripping or slipping off the bit when being installed.
The shank is the unthreaded part of a screw between the head and the thread itself. The shank will denote the width and thickness of the screw itself. The shank area of a screw serves two purposes: it allows the screw to pull the two pieces of material together and keeps the screw from overheating which can lead to breaking or snapping. The thread is the helical, or spiraling, section of that runs around the body of the screw. When driven into the material, the thread of the screw digs into the fibers and tightens, essentially embedding itself into the wood.
Some screws, such as those for composite decking, have additional reverse threads for pulling the material downwards and ensure there will be no mushrooming of the board. A hole is drilled through the rim joist, railing post, and joist on either side so that the carriage bolt goes through all three pieces of lumber and the tension tie.
The use of a carriage bolt with a Simpson tension tie is ideal. It is much stronger than a lag bolt simply because the railing post is fastened on both sides, whereas a lag bolt only attaches the post to one joist.
Treads are non-load bearing. Therefore standard deck screws can be used. For cedar, stainless deck screws of the same diameter and length are best to avoid discoloration. Wood stringers are held up by stringer brackets, which are screwed into. Galvanized Simpson stringer brackets are designed to take Simpson SD 10 screws. Metal stringers require galvanized lag bolts instead of SD screws and brackets.
The important thing to remember when choosing a screw is to be consistent. Mixing and matching can result in corrosion and structural failure. Zinc-coated screws are the cheapest, and one of the most reliable, screws to use for pressure treated wood. If you have the money, splurge for stainless steel screws in pressure treated wood.
Stainless steel uses nickel and chromium mixed with steel to make an ultra corrosion-proof product. While the cost can be up to ten times the amount, it will still be peanuts compared to what you spend on your decking material. Cedar requires a hidden decking system or stainless steel deck screws. Coated deck screws will, over time, bleed into the cedar and tarnish the natural look of it.
Since stainless screws are not coated, then there is no risk of discoloration of the wood around the screw. Composite deck screws need material-specific screws. The head of the screw is star-shaped and comes with a driver. The small head of these screws reduces any mushrooming in the material while the thick diameter provides more than enough fastening strength.
A small head also improves the look of the surface of the deck. I hope you have enjoyed this article on how to find which screws work best for your deck. As decking products proliferate, it is important to understand that not every fastener works with any bracket or lumber. As always, please feel free to comment below if you liked what you read or if you have a comment or question to share. Eugene has been a DIY enthusiast for most of his life and loves being creative while inspiring creativity in others.
As we mentioned earlier, different sizes of the screws are suitable for different applications while decking. Go through the below descriptions to know how to choose the right size based on the applications.
While working with the deck boards, you will want them to be impassive and well-secure. So, it will be better to choose nicely coated screws. The size of the screws for boards need to be around 2. Besides, the diameter is not more than 8 as the bigger can split. It will also be great if the screws arrive with galvanized coating for durability.
The railing screws for the deck need to be around 6 inches in length for 4x4 inches railings. You will require using galvanized-coated screws with galvanized post caps for the post to the beam.
The diameter of the screws needs to be around 2. You will also need to select screws optimized to be used with a bracket. Make sure the screw arrives with a higher load rating to ensure safety.
The best screws for the Joist to Beam are the one that comes with 10 diameter. The length of the screws needs to be 1.
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