S-90086A623 10-24 x 1 1/2" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
• Efficient self-tapping installation with thread cutting design (Type F) that eliminates the need for pre-tapped holes, saving time and labor costs
• Excellent material compatibility for reliable fastening in aluminum, brass, cast iron, and sheet metal without stripping or loosening
• Optimized drive engagement with No. 2 Phillips drive and standard flat head profile for secure installation and flush surface finish
• Maximum holding power through fully threaded UNC coarse thread design that provides superior grip and vibration resistance
• Precision engineering with 82° countersink angle and blunt tip for controlled penetration and reduced material stress
• Industry-standard compliance meeting ASME B18.6.3 specifications and RoHS 3 regulations for quality assurance

Professional Applications & Engineering Value

These 10-24 UNC zinc-plated steel tapping screws deliver exceptional engineering value in industrial fastening applications where material integrity and installation efficiency are critical. The thread cutting design (Type F) with coarse UNC threads creates precise mating threads in ductile materials like aluminum, brass, and cast iron, eliminating costly pre-tapping operations while preventing material cracking. The zinc-plated steel construction provides reliable corrosion protection in harsh environments, while the Phillips flat head configuration ensures flush mounting in sheet metal assemblies and machinery components. With full threading and optimized 82° countersink angle, these screws distribute clamping force evenly, reducing stress concentration points and maintaining joint integrity under vibration and thermal cycling conditions common in industrial equipment and metal fabrications.

Specification Summary & Compliance

These tapping screws feature 10-24 UNC coarse threads with standard Class 2A tolerances, 1½" length, and No. 2 Phillips drive with standard flat head profile. Manufactured to ASME B18.6.3 specifications (SAE J933) for dimensional accuracy and performance reliability. The product is RoHS 3 (2015/863/EU) Compliant for environmental safety and meets industry standards for use with recommended No. 17 drill bit (0.173" diameter) in specified materials including aluminum, brass, cast iron, and sheet metal applications.