S-90065A325 Length 3 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Superior holding power in sheet metal due to fully threaded design and thread forming method, reducing the risk of loosening under vibration.
• Efficient installation with Phillips drive (No. 3 size) and standard flat head, allowing for flush mounting and easy countersinking at an 82° angle.
• Optimized thread engagement featuring 10 threads per inch and a 0.242" diameter, ensuring reliable fastening in thin sheet metal up to 0.025" thickness.
• Compliance with environmental regulations including RoHS 3 and REACH, making them safe for various industries and sustainable procurement.
• Durable and long-lasting performance with right-hand threading and pointed tip for easy starting, minimizing installation time and effort.

Professional Applications & Engineering Value

These Type A thread forming screws are specifically engineered for sheet metal applications, where traditional fasteners may strip or fail. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, extending service life in demanding conditions like HVAC systems, automotive assemblies, and electronic enclosures. With a fully threaded shank and precise 10 threads per inch, they create strong, permanent threads in pre-drilled holes (recommended 5.5 mm drill bit), eliminating the need for additional nuts or washers. The flat head design and 82° countersink angle ensure a smooth, flush finish, reducing snagging and improving aesthetics in visible areas. This combination of features addresses common pain points such as material fatigue, vibration-induced loosening, and corrosion-related failures, offering reliable performance for industrial fastening needs.

Specification Summary & Compliance

This No. 14 x 3-1/2" tapping screw adheres to standard inch measurements with a thread diameter of 0.242" and fully threaded right-hand design. It conforms to typical industrial tolerances for thread forming (Type A) and flat head profiles, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing the absence of hazardous substances and supporting environmentally responsible manufacturing practices.