S-93615A434 1/4"-28 x 1" 18-8 Stainless Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise Class 3A thread fit ensures reliable, vibration-resistant assemblies with minimal risk of loosening under dynamic loads.
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding mechanical applications.
• Low-profile socket head design allows installation in tight spaces while maintaining full engagement with a 1/8" hex drive.
• Fine UNF thread spacing delivers enhanced clamping force and improved adjustment precision compared to coarse threads.
• Consistent Rockwell B70 hardness guarantees durability and resistance to wear during repeated installation and removal cycles.
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance.

Professional Applications & Engineering Value

Engineered for precision assembly, this low profile socket head cap screw addresses critical challenges in machinery, aerospace, and electronics where space constraints and corrosion resistance are paramount. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, extending service life in humid or corrosive environments. With its Class 3A UNF fine thread configuration, the screw maintains superior clamp load retention under vibration, preventing joint failure in dynamic systems. The combination of 70,000 psi tensile strength and fully threaded design ensures uniform stress distribution, making it ideal for high-stress applications requiring reliable fastening solutions without compromising on dimensional accuracy or regulatory requirements.

Specification Summary & Compliance

This socket head cap screw features precision Class 3A thread fit per UNF standards with fine thread spacing (28 TPI), ensuring tight tolerances for secure fastening. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength, it meets rigorous industrial specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety standards for global industrial use.