S-92240A236 1 1/4"-7 x 3" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 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
- Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and stress.
- Coarse UNC thread with Class 2A fit provides faster assembly and superior vibration resistance.
- Fully threaded design offers maximum grip and holding power along the entire 3" length.
- External hex drive and large 1 7/8" head allow for high-torque installation with standard tools.
- Rockwell B70 hardness delivers excellent durability and resistance to wear and deformation.
- Compliance with ASME B18.2.1, RoHS, and REACH guarantees quality and environmental safety for professional use.
Professional Applications & Engineering Value
This 1 1/4"-7 UNC hex head screw is engineered to solve critical fastening challenges in demanding industrial settings. The 18-8 Stainless Steel material provides outstanding resistance to rust and corrosion, making it suitable for outdoor, marine, and chemical-exposed applications. Its coarse thread and Class 2A thread fit ensure quick, secure installation even in materials where fine threads might strip or fail. The fully threaded design and external hex drive enable efficient torque transfer, reducing assembly time while maintaining joint integrity. With an 80,000 psi tensile strength, this screw is ideal for structural connections, heavy machinery, and construction projects where vibration and dynamic loads are common, ensuring long-term reliability and reduced maintenance.
Specification Summary & Compliance
This hex head screw features a 1 1/4"-7 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in accordance with ASME B18.2.1 standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets industry requirements for safety and environmental responsibility.
