S-90086A829 10-32 x 1/2" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior thread cutting performance in aluminum, brass, cast iron, and sheet metal without pre-tapping, reducing installation time and labor costs
• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term durability in industrial environments
• Precise 82° countersink angle and undercut flat head for flush, secure seating that prevents snagging and improves finished appearance
• Reliable fastening in fine-thread applications with UNF 10-32 threading, providing excellent vibration resistance and holding power
• Optimized drive engagement with No. 2 Phillips drive, reducing cam-out and enabling efficient installation with standard tools
• Full compliance with ASME B18.6.3 standards, guaranteeing consistent quality, dimensional accuracy, and interchangeability
• RoHS 3 environmental compliance for safe use in regulated industries and global market acceptance

Professional Applications & Engineering Value

These 10-32 zinc-plated steel tapping screws deliver exceptional engineering value by solving common fastening challenges in metal assemblies. The Type F thread cutting design with UNF fine threading creates precise, strong threads in ductile materials like aluminum, brass, and cast iron without requiring pre-tapped holes, significantly reducing assembly time and tooling costs. The zinc-plated steel construction provides reliable corrosion protection for long-term performance in demanding environments, while the undercut flat head with 82° countersink ensures a flush finish that eliminates protrusion issues in precision applications. Ideal for sheet metal fabrication, machinery assembly, and electrical enclosures, these screws maintain dimensional accuracy per ASME B18.6.3 for consistent performance across production runs.

Specification Summary & Compliance

These screws feature 10-32 UNF fine threads with a thread diameter of 0.19" and Class 2A thread tolerances for precise fit. The fully threaded design with right-hand thread direction ensures maximum holding power. Manufacturing and dimensional specifications strictly comply with ASME B18.6.3 standards (SAE J933), guaranteeing interchangeability and reliability. Environmental compliance is maintained through RoHS 3 (2015/863/EU) compliance, making these fasteners suitable for regulated industries and international markets.