S-93190A960 1 1/4"-7 x 2 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance in heavy-duty applications
- Secure and precise fastening due to Class 2A thread fit and UNC coarse threading, reducing cross-threading risks
- Easy installation and removal with external hex drive and 1 7/8" head width, compatible with standard tools
- Full thread engagement across the 2 1/2" length for maximum grip and load distribution
- Compliance with industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability
- Environmental and safety adherence with RoHS 3 and REACH compliance, suitable for regulated industries
Professional Applications & Engineering Value
This heavy-duty hex head screw is engineered to address critical challenges in industrial settings where corrosion resistance and high tensile strength are paramount. The 316 stainless steel material excels in aggressive environments, such as marine, chemical processing, and outdoor infrastructure, preventing rust and degradation. Its UNC coarse thread and Class 2A fit ensure quick assembly and reliable clamping force, minimizing installation errors in machinery, structural frames, and equipment subjected to dynamic loads. The fully threaded design and external hex drive facilitate efficient maintenance and disassembly, reducing downtime in demanding applications like construction, transportation, and manufacturing.
Specification Summary & Compliance
This screw features a 1 1/4"-7 UNC coarse thread with Class 2A thread fit for standard dimensional tolerances, ensuring compatibility with corresponding nuts and tapped holes. It is manufactured in accordance with ASME B18.2.1 specifications, guaranteeing consistent quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.
