S-90920A247 10-24 x 1" ASME B18.6.3 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior torque transmission with T20 Torx drive that minimizes cam-out for faster, more secure installations
• Enhanced corrosion resistance through zinc-plated steel construction for extended service life in demanding environments
• Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Precision thread engagement with Class 3A thread fit ensuring consistent, vibration-resistant fastening in industrial applications
• Optimal flush mounting featuring standard 82° countersink angle for clean, professional finishes in assembled products
• Maximum holding power through fully threaded design that provides complete engagement along the entire 1" length
• Industry-standard compatibility with 10-24 UNC coarse threads suitable for a wide range of industrial components and equipment

Professional Applications & Engineering Value

These 10-24 UNC flat head Torx screws deliver critical engineering advantages where high-torque applications demand reliability. The zinc-plated steel construction provides essential corrosion protection for industrial equipment, automotive assemblies, and outdoor machinery exposed to harsh environments. The T20 Torx drive system eliminates common installation issues like driver slippage and stripped heads, significantly reducing assembly time and maintenance costs. With Class 3A thread fit precision, these fasteners maintain secure connections in vibration-prone applications, preventing costly downtime in manufacturing and mechanical systems. The 82° countersink angle ensures flush mounting in precision machinery where surface clearance is critical, while the fully threaded design maximizes pull-out resistance in structural applications.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with precision Class 3A thread fit tolerances for consistent performance. These 10-24 UNC coarse thread screws feature right-hand threading and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The inch system measurements ensure compatibility with North American industrial specifications, while the standardized 82° countersink angle provides universal mounting compatibility across various applications and industries.