S-92800A321 1"-8 x 4 1/4" 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 with 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
- Rockwell B70 hardness provides superior durability and resistance to wear and deformation
- Class 2A thread fit offers consistent, reliable engagement while allowing for easier assembly
- Partially threaded design allows for precise clamping force control and secure fastening in specific applications
- Coarse UNC thread pattern enables quick installation and reduced cross-threading risks
- External hex drive with 1 1/2" head width delivers high torque capability for secure tightening
Professional Applications & Engineering Value
This 1"-8 UNC hex head screw in 18-8 stainless steel addresses critical engineering challenges in industrial settings where corrosion resistance and structural integrity are paramount. The combination of 80,000 PSI tensile strength and Rockwell B70 hardness ensures reliable performance in heavy machinery, structural frameworks, and equipment subjected to vibration and dynamic loads. The coarse thread design facilitates rapid assembly in production environments while the partial threading allows for precise joint compression control. The external hex drive provides superior torque transmission for secure fastening in high-stress applications, making it ideal for construction, manufacturing, and marine industries where durability and long-term reliability are essential.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit per UNC standards with 1"-8 coarse thread configuration and right-hand threading. Manufactured to inch system specifications with 4 1/4" length and 2 1/4" minimum thread length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.
