I purchased these to attach 2x12 steps to angle iron.
Simpson structural screws review.
The strong drive family is designed to install easier than other fastening methods which saves time and money.
Amazon s choice for simpson structural screws simpson structural screws sd9112r100 no 9 by 1 1 2 inch structural connector screw 100 pack 4 8 out of 5 stars 214.
Nice structural screws at a good price time will tell how they hold up.
Its heavy duty 0 276 diameter shank sawtooth point and flat washer head make the sdws timber ss the ideal choice for use in applications such as docks wharves piers boardwalks and ledgers where strength and severe corrosion resistance are critical.
The price is also very good.
In the fastener marketplace simpson strong tie stands apart from the rest.
The simpson strong tie strong drive sds heavy duty connector screw is a 1 4 diameter high strength structural screw ideal for various connector installations as well as wood to wood and engineered wood applications.
Introducing the strong drive sdpw deflector screw from simpson strong tie a premium structural fastening solution for connecting non load bearing walls to trusses and joists.
They would fail at the end of the threaded section of the fastener.
With tested lateral load ratings that meet building code requirements the sdpw screw is value engineered for strength installation speed and safety.
Quality and reliability is our top priority.
That s why we hire phds metallurgists materials engineers and structural engineers to create the best possible fasteners.
Read honest and unbiased product reviews from our users.
Introducing the strong drive sdws timber ss heavy duty structural fastener in severe corrosion resistant type 316 stainless steel.
Reviewed in the united states on september 6 2019 material type.
T40 6 lobe low profile head black structural wood screw 12 pack.
The hex head is easier to use than the star bit screws i purchased to mount the angle iron to the stringers.
Stronger can also be faster.
Steel verified purchase i tried using these on a pressure treated boards and experienced a 30 failure rate when screwing the simpson structural screws.