S-97690A182 1/4"-20 x 1 1/4" ASME B18.6.3 Steel Pan Head Torx Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Superior torque transmission and reduced cam-out with T30 Torx drive for reliable fastening and reduced tool wear
• Optimized clamping force distribution through the rounded pan head design for secure joint integrity
• Excellent thread engagement with UNC coarse threads and Class 2A fit ensuring quick assembly and vibration resistance
• High mechanical strength with Rockwell B70 hardness providing reliable performance under load
• Professional aesthetic and additional protection from the black painted finish
• Maximum fastening versatility with fully threaded right-hand design for consistent holding power

Professional Applications & Engineering Value

Engineered for industrial applications requiring reliable fastening solutions, these zinc-plated steel screws combine material strength with protective coatings to combat corrosion in harsh operating conditions. The T30 Torx drive delivers exceptional torque transfer, preventing stripping during high-tension assembly in machinery, automotive, and construction applications. The 1/4-20 UNC coarse thread ensures rapid installation and maintains grip in vibrating environments, while the rounded pan head provides a low-profile, secure fit. This combination addresses critical engineering needs for durability, compliance, and efficient installation in professional settings.

Specification Summary & Compliance

This screw features precision UNC coarse threads with Class 2A fit ensuring consistent dimensional accuracy. Manufactured to meet ASME B18.6.3 specifications for quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial supply chains.