S-90696A268 1"-8 x 7" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior load-bearing capability with 70,000 psi tensile strength for heavy-duty applications
• Precise thread engagement through Class 3A fit UNC coarse threads, ensuring reliable fastening
• High torque transmission enabled by the 3/4" hex drive and standard socket head profile
• Optimized mechanical durability with Rockwell B70 hardness for long-term performance
• Versatile partial threading allowing both secure clamping and smooth shaft clearance
• Regulatory compliance assurance meeting ASME B18.3, RoHS, and REACH standards

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw delivers critical performance in demanding industrial settings where corrosion resistance and structural integrity are paramount. The 1"-8 UNC coarse thread with Class 3A fit provides superior vibration resistance in machinery, automotive assemblies, and heavy equipment. The 3/4" hex drive accommodates high torque requirements while the partially threaded design offers precise clamping control. With 70,000 psi tensile strength and Rockwell B70 hardness, it solves common failure points in high-stress applications, ensuring reliable operation in manufacturing, construction, and marine environments where inch system fasteners are specified.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit and UNC coarse thread profile. The screw maintains dimensional accuracy with 1"-8 thread size, 7" length, and 2½" minimum thread length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe usage across global markets.