Questions and Answers for Everbilt 3/8 in. x 1-1/2 in. Hex Zinc Plated Lag Screw (25-Pack)

A:  The unthreaded portion of the shaft is about 1/4”.

A:  You can use a 9/16 in. drive with this hex lag screw.

A:  For this Lag Screw the Min. shear strength is 36 ksi / 36000 psi.

A:  These are wood lag bolts. Cap says "BDM" Made in China, so who knows for sure. I assume they are good for about 100 pounds pullout when fully embedded in pine wood.

A:  This lag screw is not grade 5, it is A307 Grade A.

A:  We do not suggest using zinc plated lag screws for treated lumber, Galvanized lag screws would be much better.

A:  1/2 inch

A:  The driver size for this lag screw is 9/16”.

A:  I use one size smaller and that insures that the gripping power is much more. I also use a dish detergent to help them go in much smoother especially on pressure treated lumber.

A:  If going into Soft Wood the pilot hole is 9/64", if Hard Wood the pilot hole is 29/32".

A:  I used 1/4" and it worked out fine. After my drill bit broke I used a 3/16" bit and it still worked out good, a bit more snug even and the wood didn't split.

A:  There are 6 threads per inch for this lag screw.

A:  Threads per inch?You're asking something that doesn't matter about the product. What does that matter. It's a lag bolt that does it's job.

A:  You would need to predrill holes into the wood to install the lag screws. The need for lag shields would depend on your application.

A:  The hex-head lag screws are ok for decking, however, we recommend using the stainless steel lag screw or galvanized as these two options are ACQ approved. We also recommend checking your local building code for their recommendation.

A:  It's the recommended type via building codes, but check the codes in your area.