S-91900A837 10-24 x 1/4" Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper-resistance with specialized T25 Torx drive to prevent unauthorized access in sensitive applications
• Superior corrosion resistance from 18-8 stainless steel construction with passivated finish for extended service life in harsh environments
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing capabilities
• Precise thread engagement with Class 3A fit and full threading ensuring secure fastening and vibration resistance
• Streamlined installation through rounded button head design that reduces surface snagging and provides a finished appearance
• Regulatory compliance meeting RoHS 3 and REACH standards for use in regulated industrial sectors
• Optimized for security applications combining tamper-resistant drive with coarse UNC threads for permanent fastening solutions

Professional Applications & Engineering Value

These 10-24 UNC rounded head screws address critical security and durability challenges in industrial settings. The 18-8 stainless steel material with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for outdoor equipment, marine applications, and harsh manufacturing environments. The tamper-resistant T25 Torx drive specifically counters vandalism and unauthorized access in public infrastructure, electrical enclosures, and security systems. With Class 3A thread fit and full threading, these fasteners maintain clamping force under vibration while the rounded button head profile eliminates sharp edges in consumer-facing products. The combination of 70,000 psi tensile strength and standardized UNC coarse threads ensures reliable performance in high-stress assembly applications where security and longevity are paramount.

Specification Summary & Compliance

These screws feature precision 10-24 UNC coarse threads with Class 3A fit for superior thread engagement and dimensional accuracy. The manufacturing complies with industry standards for rounded head screws featuring a standard button head profile with 0.361" diameter. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental and safety requirements for industrial components.