S-91829A740 0-80 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing replacement frequency.
• Precise component alignment ensured by the exact 1/8" shoulder length and precise shoulder fit, minimizing assembly errors.
• High thread reliability with Class 2A thread fit and 0-80 UNF fine thread, providing secure, vibration-resistant fastening.
• Versatile drive options featuring a combined socket slotted head for flexible installation with standard tools.
• Strict dimensional accuracy with controlled shoulder diameter and length tolerances for consistent performance in precision assemblies.
• Environmental compliance meeting RoHS 3 and REACH standards, ensuring safe use in regulated global markets.
• Optimized for fine adjustments due to the right-hand UNF fine thread, enabling precise tension control in mechanical systems.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 0-80 UNF fine thread and Class 2A thread fit ensure minimal backlash and reliable fastening in applications like rotating shafts, pivots, and guiding mechanisms, where vibration resistance is paramount. The 1/8" shoulder length provides a precise bearing surface, eliminating misalignment in machinery and electronic enclosures. Made from corrosion-resistant stainless steel, it withstands moisture and chemicals, reducing maintenance in industrial equipment, automotive components, and instrumentation. The socket slotted head offers dual-drive versatility, speeding up installation in confined spaces while maintaining structural integrity under load.

Specification Summary & Compliance

This shoulder screw adheres to inch system measurements with a 0-80 UNF fine thread and Class 2A thread fit for precise tolerance. The shoulder diameter is 0.0615" with a tolerance of -0.002" to 0", and shoulder length is 1/8" with a tolerance of -0.004" to 0", ensuring consistent dimensional accuracy. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe and restricted substance-free use in industrial applications.