S-92198A891 7/8"-9 x 5" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing long-term replacement costs.
- High-strength performance offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications.
- Secure and easy installation provided by the external hex drive and coarse UNC thread, ensuring quick assembly with standard tools.
- Optimized thread engagement with a Class 2A thread fit for consistent, vibration-resistant connections without cross-threading.
- Enhanced design flexibility through partial threading, allowing for precise clamping force control in varied material thicknesses.
- Guaranteed dimensional reliability by conforming to ASME B18.2.1 specifications, ensuring interchangeability and fit.
- Environmentally responsible compliance meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This 7/8"-9 UNC hex head screw is engineered to address critical challenges in heavy machinery, structural framing, and marine equipment where corrosion resistance and high tensile strength are paramount. The 18-8 Stainless Steel material combats rust and chemical exposure, extending service life in outdoor or corrosive settings. Its coarse thread design and partial threading provide superior grip in soft materials or when vibration loosening is a concern, while the external hex drive allows for high-torque installation with common wrenches. By integrating ASME B18.2.1 standards, this screw ensures precise dimensional accuracy, reducing assembly errors and improving project efficiency for engineers and industrial purchasers.
Specification Summary & Compliance
This screw features a Class 2A thread fit for consistent assembly tolerance, with a 7/8"-9 UNC coarse thread and 5" length (minimum thread length of 2"). It is manufactured in accordance with ASME B18.2.1 and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards.
