S-92800A221 5/16"-24 x 1 3/8" 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 80,000 psi ensures reliable performance under high-stress applications
- Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks
- External hex drive design enables high-torque installation with standard tools for efficient assembly
- Fine UNF threading offers superior vibration resistance and improved load distribution
- Partial threading configuration allows for precise clamping force control in multi-material assemblies
- Full regulatory compliance with RoHS 3 and REACH standards for global manufacturing applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 18-8 stainless steel hex head screws deliver exceptional performance where corrosion resistance and structural integrity are critical. The 5/16"-24 UNF fine threading with Class 2A fit ensures precise engagement in machinery, automotive components, and electrical enclosures, preventing loosening under vibration. The external hex drive accommodates high torque requirements while the partial threading design provides optimal clamping force in layered assemblies. With 80,000 psi tensile strength and Rockwell B70 hardness, these fasteners maintain integrity in high-stress environments, making them ideal for manufacturing equipment, marine applications, and chemical processing systems where reliability cannot be compromised.
Specification Summary & Compliance
This 5/16"-24 UNF hex head screw features precision Class 2A thread fit with 0.3125" thread diameter and 1 3/8" length in inch system measurements. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 80,000 psi tensile strength, the fastener meets industry standards for UNF fine threading and external hex drive applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global manufacturing acceptance.
