Product Details. 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.
What screws for Simpson joist hangers?
Product Details. The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application. The load-rated SD screw has been tested and approved for use in many popular Simpson Strong-Tie products.
Where are Simpson screws made?
All Simpson Strong-Tie® structural connectors, prefabricated shearwalls, moment frames, and Strong-Rod® systems are designed and engineered in the United States. When possible, our products are made in the US. However, we also source or manufacture some of our product overseas, whether in Europe, Canada, or Asia.
What is a structural screw?
Structural screws are heavy-duty fasteners that offer a stronger and more secure connection than traditional screws. They are also known simply as construction screws because of their prevalence in the construction industry.
How much weight can an SDS Screw hold?
SDS — Allowable Shear Loads — Steel Side-Plate Applications
and for SPF/HF withdrawal is 121 lb./in. Total withdrawal load is based on actual thread penetration into the main member.
What are lag screws?
Also commonly known as lag bolts, lag screws are some of the toughest fasteners. These extremely sturdy fasteners are usually used to connect heavy lumber or other heavy materials that are bearing an intense load. These screws differ from normal wood, self-drilling or sheet metal screws.
Is it OK to use screws on joist hangers?
The manufacturers agree: Never use galvanized deck screws or drywall screws to install joist hangers. Those screws don’t have the shank size and toughness to support joist loads.
Can you use Simpson screws on joist hangers?
LU210 joist hangers are also approved for installation with Simpson Strong-Tie SD Structural Connector Screws.
What are Simpson Strong ties made of?
Simpson Strong-Tie
These Parts are ALL TYPE 316 SS and made in the USA! While we’ve always provided finishes with extra corrosion resistance, we have greatly expanded the number of products we offer in ZMAX, Hot Dip Galvanized and stainless steel to help you address your corrosion needs.
What was the simple belief that Simpson Strong-Tie was started?
Our phrase–”Our customers are our bosses”– is a simple philosophy that permeates all that we do. At Simpson Strong-Tie, it’s about enjoying what we do, doing it right and supporting our customers every step of the way–from order placed to product installed.
Why can you not use screws for framing?
The reason why a nail is better than a screw for framing is because of its flexibility. There are two kinds of strength associated with fasteners, and those are shear and tensile strength. Shear strength is the amount of perpendicular force an object can bear.
Is it OK to use screws for framing?
Our inspectors have seen a disturbing trend of late: people using wood or deck screws when building structural elements. This means ordinary wood screws cannot be used to attach rafters to top plates, or joists to beams.
Should you pre drill structural screws?
Most structural screws do not require any pre-drilling. They also meet high standards for use in structural applications and compatibility with treated lumber. Structural screws have a number of features that make them unique.
How much weight can a 3 inch deck screw hold?
The easiest way to increase the amount of weight a screw in a stud can hold is to simply double up. If you have room for a second or a third screw, just add more. Two screws can hold 160-200 pounds. Three screws can hold 240-300 pounds.
How much load can a screw take?
In general, a screw can hold 80-100 pounds. Several factors can impact on the amount of weight the screw can hold. This includes the length of the screw, the type of thread, the quality of the screw, the way it was inserted, and the type of forces that will be acting on it.
How much weight can a tek screw hold?
Typically, a self-tapping screw can sustain around 80 to 100 pounds of weight.
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