S-92949A052 0-80 x 3/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 3A thread fit ensuring reliable fastening and vibration resistance in critical assemblies
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Easy installation and removal with hex drive design providing secure tool engagement and reduced stripping risk
• Full threading coverage offering maximum grip length and consistent clamping force along the entire fastener
• Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards including RoHS and REACH
• Fine thread optimization with UNF 0-80 threading providing superior adjustment precision and load distribution

Professional Applications & Engineering Value

These 18-8 stainless steel rounded head screws with passivated finish provide critical corrosion protection in demanding industrial environments where moisture, chemicals, or temperature variations are concerns. The Class 3A thread fit and UNF fine threading ensure precise alignment and secure fastening in applications requiring vibration resistance, such as precision instruments, electronic enclosures, and aerospace components. The hex drive design allows for high-torque installation without cam-out, while the fully threaded construction maximizes engagement in thin materials and confined spaces. With 70,000 psi tensile strength, these fasteners maintain integrity under significant mechanical stress, making them ideal for critical assemblies where failure is not an option.

Specification Summary & Compliance

This 0-80 UNF screw features precision Class 3A thread fit tolerances with 3/16" length and fully threaded construction. Manufactured to ASME B18.3 specifications, the fastener ensures dimensional accuracy and interchangeability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substances. Material certification confirms 18-8 stainless steel composition with Rockwell B55 hardness and 70,000 psi tensile strength performance standards.