S-92186A958 1 1/8"-7 x 7" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Reliable coarse threading (UNC 1 1/8"-7) provides faster assembly and better performance in softer materials
• Precision external hex drive ensures secure tool engagement and efficient installation with standard tools
• Optimized partial threading allows for superior clamping force distribution across the 7" length
• Industry-standard compliance with ASME B18.2.1 specifications ensures dimensional accuracy and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable operations

Professional Applications & Engineering Value

This heavy-duty hex head screw in 316 stainless steel delivers exceptional value for demanding industrial applications where corrosion resistance and structural integrity are paramount. The coarse UNC threading (1 1/8"-7) provides superior holding power in softer substrates and allows for quicker installation in high-volume assembly operations. With its external hex drive and substantial head dimensions (1 11/16" width), the fastener ensures maximum torque transmission without stripping, making it ideal for structural steel connections, heavy machinery assembly, and marine applications. The partially threaded design concentrates clamping force precisely where needed, while the Class 2A thread fit guarantees consistent performance across repetitive installations. Engineered to withstand corrosive environments from chemical processing to offshore operations, this ASME B18.2.1 compliant fastener provides reliable, long-term performance where failure is not an option.

Specification Summary & Compliance

This 1 1/8"-7 UNC hex head screw features precise Class 2A thread fit tolerances and partial threading with a minimum thread length of 2 1/2". Manufactured to ASME B18.2.1 specifications, it ensures dimensional accuracy and interchangeability. The fastener is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental regulations for hazardous substances. With a total length of 7" and manufactured from 316 stainless steel, this inch-system fastener delivers reliable performance across industrial applications requiring corrosion resistance and high strength.