S-90939A118 6-32 x 1/2" Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with A286 stainless steel construction for long-term reliability in harsh environments
• Superior torque transmission through T15 Torx drive design, reducing cam-out risk and tool wear
• High tensile strength rating of 130,000 psi ensures reliable performance under extreme mechanical stress
• Precision Class 2A thread fit provides consistent engagement and vibration resistance in assembly applications
• Low-profile rounded button head offers sleek appearance while maintaining sufficient drive engagement
• Full threading with 6-32 UNC coarse spacing enables faster installation and superior holding power
• Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These A286 stainless steel rounded head screws deliver critical performance advantages for demanding industrial applications where high tensile strength and corrosion resistance are paramount. The T15 Torx drive system addresses common fastener installation challenges by providing superior torque transfer compared to traditional drive types, significantly reducing stripping and cam-out incidents during high-torque applications. The 6-32 UNC coarse thread configuration with Class 2A precision fit ensures rapid assembly while maintaining vibration resistance in machinery, electronics enclosures, and aerospace components. The fully threaded design maximizes engagement depth, while the rounded button head profile offers a flush mounting solution where clearance is limited. These industrial fasteners are engineered to withstand extreme temperatures and corrosive environments, making them ideal for critical assemblies in automotive, aerospace, and heavy equipment manufacturing.

Specification Summary & Compliance

These precision-engineered rounded head screws feature 6-32 UNC coarse threads with Class 2A thread fit tolerance for consistent mating performance. The manufacturing process adheres to strict quality standards, producing fasteners with Rockwell C24 hardness and 130,000 psi tensile strength. Regulatory compliance includes full conformance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations concerning chemical substances, ensuring environmental responsibility and global market acceptance.