S-90077A251 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding metal environments
• Enhanced installation efficiency through dual Phillips/Slotted drive compatibility, accommodating various tool preferences
• Reliable thread-forming performance with A/AB tapping design, creating strong, permanent threads in sheet metal without pre-tapping
• Maximum material engagement with fully threaded shank and pointed tip, ensuring secure fastening throughout the entire 1-1/2" length
• Optimized head design featuring standard pan profile with 0.373" diameter, providing excellent bearing surface and torque transmission
• Precision thread specification with 0.19" diameter and 12 threads per inch, delivering consistent performance in sheet metal applications
• Comprehensive regulatory compliance meeting RoHS 3 and REACH standards, ensuring environmental and workplace safety

Professional Applications & Engineering Value

Engineered specifically for sheet metal applications, these No. 10 tapping screws deliver exceptional value in industrial fastening scenarios. The zinc-plated steel construction provides critical corrosion protection in environments where metal components face moisture or chemical exposure. The thread-forming design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs while creating stronger thread engagement than conventional screws. The combination of Phillips/Slotted drive compatibility offers flexibility for production lines using different driving tools, while the fully threaded pointed tip ensures quick starting and smooth penetration through sheet metal up to 0.025" thickness. This A/AB tapping screw type is particularly valuable in HVAC systems, electrical enclosures, and metal fabrication where vibration resistance and long-term holding power are paramount.

Specification Summary & Compliance

This tapping screw features precise dimensional specifications including No. 10 screw size, 1-1/2" length, 0.19" thread diameter, and 12 threads per inch with right-hand threading. The thread forming tapping method ensures excellent pull-out resistance in sheet metal applications. Manufacturing complies with industry standards for Class 2A thread tolerances, and the product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental and safety regulations for industrial fasteners.