S-92200A582 1/4"-28 x 5/8" MS16996-22, NAS1351C4-10, NASM16996, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction and passivated finish for long service life in harsh environments.
• Superior tensile strength rated at 80,000 psi ensures reliable performance under high-stress conditions.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in critical assemblies.
• Fine UNRF threading offers improved load distribution and superior sealing capabilities.
• Standard hex socket drive allows for high torque application and easy installation in confined spaces.
• Full threading along the 5/8" length enables maximum adjustability and holding power.
• Comprehensive regulatory compliance including RoHS 3 and REACH ensures environmental and safety standards are met.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address critical challenges in precision machinery, aerospace components, and industrial equipment where vibration resistance and corrosion protection are paramount. The combination of 18-8 Stainless Steel material and passivated finish creates a robust barrier against chemical exposure and atmospheric corrosion, significantly extending maintenance intervals. The UNRF fine thread configuration with Class 3A fit ensures minimal backlash and superior clamping force distribution, making it ideal for applications requiring precise alignment and reliable performance under dynamic loads. These fully threaded fasteners provide consistent engagement throughout the entire 5/8" length, offering design flexibility for various joint configurations while maintaining the 80,000 psi tensile strength needed for demanding mechanical systems.

Specification Summary & Compliance

This socket head cap screw features precision 1/4"-28 UNRF Class 3A threads with fine thread spacing for optimal performance. Manufacturing complies with MS16996-22, NAS1351C4-10, NASM16996, and FF-S-86 specifications, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions.