S-90090A313 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Efficient thread forming design creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Optimized pan head design with one-way drive provides secure installation and prevents tampering in finished applications
• Precision threading with 10 threads per inch ensures reliable engagement and consistent clamping force in sheet metal assemblies
• Full threading and pointed tip enable quick starting and smooth penetration through materials up to 0.025" thickness
• Comprehensive compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
• Standardized sizing (No. 14, 3/4" length) with clear drill bit specifications (5.5mm) simplifies installation planning

Professional Applications & Engineering Value

These thread forming tapping screws are engineered specifically for sheet metal applications where reliable fastening and corrosion resistance are critical. The 18-8 stainless steel composition provides excellent durability against environmental factors, while the thread forming design eliminates the need for separate tapping operations, reducing assembly time and costs. The pan head with one-way drive offers secure installation in HVAC systems, electrical enclosures, and metal fabrication projects. With fully threaded construction and pointed tip, these screws ensure quick starts and consistent performance in materials up to 0.025" thickness, making them ideal for industrial maintenance, automotive components, and machinery assembly where vibration resistance and long-term reliability are essential.

Specification Summary & Compliance

These No. 14 sheet metal screws feature precision 0.242" thread diameter with 10 threads per inch and 3/4" length in right-hand thread configuration. Manufactured to A/AB tapping screw type standards with Class 2A thread tolerance for reliable performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Designed for use with 5.5mm drill bits and maximum drilling thickness of 0.025" in sheet metal applications.