S-98273A220 8-32 x 3/8" Tapping Screws

Key Features & Benefits at a Glance

• Self-tapping design eliminates the need for pre-tapped holes, reducing assembly time and labor costs in industrial settings.
• 410 Stainless Steel construction provides excellent corrosion resistance and durability for long-lasting performance in harsh environments.
• Coarse UNC threading ensures quick, secure fastening with high pull-out resistance in materials like brass, cast iron, and sheet metal.
• Phillips No. 2 drive offers reliable torque transfer and ease of installation with standard tools, minimizing slippage and damage.
• Fully threaded shank maximizes grip and holding power across the entire length for superior joint integrity.
• Pan head with rounded profile allows for flush or low-profile seating, improving aesthetics and reducing snagging risks.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chain integration.

Professional Applications & Engineering Value

These 8-32 UNC thread cutting tapping screws are engineered to address common challenges in metalworking and assembly, such as material fatigue and thread stripping. Made from 410 stainless steel, they resist oxidation and wear, making them ideal for brass, cast iron, and sheet metal applications where vibration and load stresses are prevalent. The thread cutting design forms precise internal threads as installed, eliminating the need for separate tapping operations and reducing production steps. With a Phillips drive and coarse threading, they provide efficient installation and reliable clamping force, ensuring secure fastening in automotive, machinery, and electrical enclosures. This combination of material strength and functional design enhances productivity and reduces maintenance in demanding industrial environments.

Specification Summary & Compliance

This screw features a No. 8 size with 8-32 UNC coarse threads, adhering to standard inch-based dimensions for consistent fit. The thread cutting type 23/T ensures compatibility with recommended No. 26 drill bits (0.147" diameter) for optimal performance. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, these screws are free from hazardous substances, supporting safe and sustainable industrial use. Full threading and right-hand direction provide uniform engagement, while the pan head design maintains alignment with common driving tools.