S-90434A192 Length 5/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior holding power in plastic due to the tri-lobe shank design that forms strong, permanent threads without creating chips.
• Enhanced corrosion resistance from the zinc-plated steel construction, ensuring long-term durability in various environments.
• Streamlined installation process with a Phillips flat head that sits flush and a blunt tip for easy starting and alignment.
• Reliable, full-length fastening provided by the fully threaded 16 TPI design, maximizing grip and pull-out strength.
• Precision fit and reduced assembly stress with compatibility for a standard No. 23 drill bit, ensuring clean hole preparation.
• Compliance with major environmental regulations including RoHS 3 and REACH, making them suitable for global supply chains.
• Versatile for a range of plastic applications from enclosures to components, offering a dependable, vibration-resistant fastening solution.

Professional Applications & Engineering Value

This No. 8 TRS thread forming screw is engineered specifically for plastic fastening challenges. The tri-lobe shank cross-section displaces material during installation, creating a zero-clearance fit that eliminates the risk of loose connections from vibrational stress. Made from robust zinc-plated steel, it provides excellent resistance to corrosion, which is critical for industrial and outdoor applications. The Phillips flat head design ensures a clean, flush finish, while the 82° countersink angle and compatibility with a No. 23 drill bit streamline the assembly process, reducing labor time and preventing material cracking. This screw is an ideal choice for securing plastic housings, electronic enclosures, and automotive trim, delivering reliable performance without the need for additional locking elements.

Specification Summary & Compliance

This screw features a No. 8 size with a 0.164" thread diameter and 16 threads per inch. It is a right-hand threaded, fully threaded thread forming (TRS type) screw with a length of 5/8". Manufactured to precise dimensional standards for reliable performance. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for industrial components.