S-92949A887 0-80 x 3/4" 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, ideal for harsh industrial environments
• Exceptional thread engagement and vibration resistance through Class 3A precision fit and fine UNF threading
• High-strength performance under load with 70,000 psi tensile strength and Rockwell B55 hardness
• Secure, slip-resistant installation enabled by the hex drive design for reliable torque application
• Full thread coverage along the 3/4" length ensures maximum holding power in deep or thin materials
• Broad regulatory compliance including ASME B18.3, RoHS 3, and REACH for global project suitability
• Rounded button head profile provides a finished appearance while minimizing snagging risks

Professional Applications & Engineering Value

Engineered for precision assemblies, these 0-80 UNF rounded head screws deliver critical performance in applications where fine thread engagement and corrosion resistance are paramount. The 18-8 stainless steel material, enhanced by a passivated finish, combats oxidation in demanding environments like electronics, aerospace subassemblies, and medical devices. The Class 3A thread fit ensures minimal backlash and superior vibration resistance, reducing maintenance needs in dynamic systems. Combined with a hex drive for high-torque installation without cam-out, these screws provide reliable fastening in confined spaces, supporting long-term structural integrity and compliance with stringent industry specifications.

Specification Summary & Compliance

This screw meets ASME B18.3 specifications, with a Class 3A thread fit for precision UNF fine threading. It is fully threaded, right-hand direction, with a length of 3/4". The product conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance for industrial and export use.