S-96870A235 5/16"-18 x 1 1/2" ASME B18.2.1, ASTM F593 Grade 630 High-Strength 17-4 PH Stainless Steel Hex Head Screws
High-Strength 17-4 PH 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 from 17-4 PH Stainless Steel, ideal for harsh environments and reducing maintenance costs.
- High tensile strength of 130,000 PSI ensures reliable performance under heavy loads and in demanding applications.
- Superior mechanical properties with a Rockwell C28 hardness and 105,000 PSI yield strength for long-term durability.
- Coarse UNC thread and Class 2A fit provide faster assembly and reliable engagement in a wide range of materials.
- Fully threaded design offers maximum grip and holding power along the entire 1-1/2" length.
- External hex drive and hex head allow for high-torque installation with standard tools, simplifying maintenance.
- Compliance with major standards including ASME B18.2.1, RoHS 3, and REACH ensures product reliability and environmental safety.
Professional Applications & Engineering Value
This 5/16"-18 UNC Hex Head Screw is engineered from 17-4 PH Stainless Steel to solve critical challenges in industrial settings where corrosion and high mechanical stress are prevalent. The coarse thread spacing and Class 2A thread fit ensure quick, secure fastening in structural assemblies, machinery, and heavy equipment, reducing installation time and preventing thread stripping. Its fully threaded design maximizes load distribution, making it ideal for applications requiring consistent clamping force. The external hex drive facilitates easy access in confined spaces, while the material's inherent corrosion resistance extends service life in demanding environments like chemical processing, marine, and outdoor infrastructure, minimizing downtime and replacement costs.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with Class 2A dimensional accuracy for reliable fit. It is manufactured in accordance with ASME B18.2.1 specifications where applicable under ASTM F593 Grade 630. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.
