S-98625A125 1/4"-80 x 3" Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit ensuring precise, vibration-resistant fastening in demanding applications
• Excellent corrosion resistance provided by 303 stainless steel material, ideal for harsh industrial environments
• Secure installation and removal through hex drive (3/32") design allowing reliable torque application
• Enhanced positioning accuracy with ball tip design and ultra-fine thread spacing for precise component alignment
• Durable tip performance from alloy steel construction maintaining integrity during repeated adjustments
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Space-saving headless design enabling flush mounting where clearance is limited

Professional Applications & Engineering Value

This ultra fine thread set screw delivers exceptional engineering value in precision machinery and equipment where minute adjustments are critical. The 303 stainless steel construction provides reliable corrosion resistance while maintaining mechanical strength in industrial environments. The Class 3A thread fit ensures minimal backlash and superior vibration resistance, solving common loosening issues in high-precision assemblies. The combination of hex drive installation and ball tip design allows for precise torque application and secure positioning of components in optical equipment, precision instruments, and automated manufacturing systems. This headless set screw is particularly valuable in applications requiring flush mounting and repeated adjustments without compromising thread integrity.

Specification Summary & Compliance

This precision fastener features UNS thread standard with 1/4"-80 ultra fine thread spacing and Class 3A thread fit for exceptional dimensional accuracy. The 3" length and 0.25" thread diameter maintain strict manufacturing tolerances. The product is fully RoHS 3 (2015/863/EU) compliant with exemption 6(c) and REACH (EC 1907/2006) compliant (06/14/2023 235 SVHC), meeting international regulatory requirements for industrial fasteners.