As you can see in the sizing chart below, lag screws typically range from 1/4-inch to 7/8-inch in diameter. So, to properly use the chart, you'll first have to identify the dimensions of your lag screw. You can find the screw's dimensions printed in its original box.

Through bolts, lag screws or expansion anchors should be at least 1/2 "in diameter. Lag screws must go through band board at least 1/2 ". Lags must be hot zinc coated or stainless. Locate upper bolts at least 2 "below the top edge of ledger. Locate upper and lower bolts maximum 5.5 "/ 6.5" / 7.5 "apart vertically for 2x8 / 10/12 respectively.

Real-Life Lag Screw Size Application. Let’s say you want to fasten two pieces of lumber with a lag screw. First, measure the width of the combined wooden pieces together. Then, select a lag bolt that’s about 1/4 inch shorter than the wooden pieces. Check your chart and slide over the corresponding lag screw size as in the row that lines up.

Deck Boards Working with deck boards should be calm and secure. So choose beautifully coated screws. Screws for boards should be 2.5-3 inches long. Also, the diameter of

Regal Railing 2-1/2" Lag Screws. Regal Railing 2-1/2" Lag Screws are used for attaching Regal Posts to your deck surface. Regal Lag Screws are color matched to Regal Rail Posts and coated to resist corrosion. Available in: White, Black, Taupe, and Yard Bronze. Due to manufacturing delays the current delivery time on this item is 2-3 weeks.

3/8" x 5" Galv. Hex Head Lag Bolts (4 pcs). These are manufacturer recommended fasteners for securing the 4x4, 4x6, 6x6 and 8x8 Titan Wood Post Anchors 

Dec 27,  · Three #14 flat head stainless screws 4" long per stud. Screw Installation Instructions: Bore a 5/32" hole 3-1/2" deep. In that same hole bore a 1/4" hole 1-1/2" deep followed by a counter sink. The Mrs. can park her little suv on it if she likes. 3/8" lag bolts are nonsense. Sometimes good things take just a little longer.

Traditional Lag Screws have a Hex Head where more of the modern Lag Screws have a either a Hex Washer Head or large Washer Head so a washer is not neede 800-443-7937 Deck Screws & Fasteners; Staples - Nails - Brads - Pins. Brads; Staples; Washers. Decorative Washers SIZE (#8, #10 ) #14; 1/4 in. 1/2 in. 5/16 in. 3/8 in. ThruLok; HEAD

Note: A deck must comply with the building code development permit & zoning The size and spacing of the lag bolts (screws) are based on their capacity.

The bolts and lags must be hot dipped galvanized or stainless steel. Lag screw tips must penetrate the house rim joist – that’s at least ½ in. Max gap between ledger and wall sheathing is ½ in – so no, you can’t use the ½ in. bolt with spacer option over the siding unless it’s T 1-11.

A deck post should be compatible with the bolts that are provided, so it is important to choose the correct size. The most popular deck post sizes are 2″ and 4″