S-91054A486 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and TiCN coating, ideal for harsh industrial environments
• Exceptional dimensional accuracy with Class 2A thread fit and precise shoulder tolerances (-0.002" to 0") for reliable assembly
• High tensile strength of 70,000 psi ensures secure fastening under demanding mechanical loads
• Enhanced wear resistance from Rockwell B55 hardness and TiCN coating, extending service life
• Easy installation and removal with hex socket drive and 1/8" drive size for efficient maintenance
• Compliance with RoHS 3 and REACH standards for safe, environmentally responsible use in global markets
• Fine UNF threading provides superior vibration resistance and holding power in precision applications

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and durability challenges in industrial machinery, robotics, and automotive assemblies. The 18-8 Stainless Steel construction combined with TiCN coating offers excellent resistance to corrosion and wear, reducing maintenance costs in humid or chemically aggressive environments. Its 1/4" shoulder length and tight tolerance shoulder diameter (3/8") ensure precise component positioning, preventing misalignment in rotating parts or bearing mounts. The 10-32 UNF fine thread with Class 2A fit enhances grip strength and vibration resistance, making it ideal for high-stress applications where loosening could lead to equipment failure. These features deliver reliable performance in CNC equipment, precision instruments, and automated systems requiring exact shoulder dimensions and long-term fastening integrity.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit standards with precise shoulder diameter tolerance of -0.002" to 0" and shoulder length tolerance of 0" to 0.003". It meets UNF thread specifications (10-32 size) with right-hand threading and is manufactured from 18-8 Stainless Steel with TiCN coating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use.