What Size Screws For 2x6 Decking

When you are screwing into end grain you will want to make sure that it is longer than when you are screwing across the grain.

What size screws for 2x6 decking.

For example a 2x8 joist hanger is about 6 5 8 inches tall. Screws that are wood deck or multi purpose and rated for treated wood use are going to have a similar thread size which is fine. The size of the screw also depends on the grain of wood you are using for your deck. You should choose deck screws that will be long enough to connect two boards together solidly so you will need to measure the boards you are using to get a better idea of what length of screws you will.

Thick the threads bridge the joint as shown resulting in either an uneven and unsightly surface or screws that are over driven trying to pull the board down promax screws are different. The correct length will generally depend on the types of materials you are using. Screws come in an astonishing array of styles. Joist hangers are sized by joist depth and run about 1 2 inch shorter than the nominal size of the joist you can size deck joists by referring to table r507 6 in the 2018 irc which lists spans for deck joists sized from 2x6 to 2x12.

With a cordless drill driver you can drive them about as fast as nails. Types of deck screw there are tons of different types of deck screws out there and it can be overwhelming when standing in the fastener aisle at home depot. Keep some 2 1 2 inch deck screws for screwing into end grain plus some stronger 3 inch screws for attaching into end grained boards or when a little extra added power is needed. Decking screws are coated for corrosion resistance are sharp tapered and self sinking.

Since 2x4 and 2x6 deck material is 1 1 2 in. The length of the deck screws will be an important consideration when choosing the best ones for your project. A good all around choice is 10 decking screws generally in 2 1 2 to 3 1 2 inch lengths. The second board getting the screw is the one you want to take note of.

Another screw spec that i m picky about is the shank length. The screws normally used to install 2x4s or 2x6s for decking are 3 in. The screw should sink into the framing material by 1 inch or more. Most decking screws are 8 gauge and while 2 1 2 inches is the minimum length needed to hold decking boards to the joists 3 inch screws are commonly used to provide extra holding power against the upward pressure of shrinking or warping boards.

So my deck connections will have 1 inch thread engagement with this screw. Use 1 1 4 inch screws for basic tasks where strength is less of an issue or when attaching two 3 4 inch thick boards across the grain.