S-91412A360 5/16"-18 x 1 1/2" Stainless Steel Thread-Locking Hex Head Screws
Stainless Steel Thread-Locking 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
- Vibration-resistant locking with nylon patch technology prevents loosening in dynamic applications from -55° to 250°F
- Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness withstands heavy mechanical loads
- Precision threading with Class 2A fit and UNC coarse thread profile enables quick assembly and secure fastening
- Optimized partial threading design provides maximum grip strength while reducing installation time
- External hex drive compatibility allows for standard tooling and high-torque application capability
- Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence
Professional Applications & Engineering Value
These 5/16"-18 UNC hex head screws deliver exceptional engineering value through their 18-8 stainless steel composition and advanced nylon patch locking technology. The combination addresses critical industrial challenges including vibration-induced fastener failure and corrosion degradation in demanding environments. The partially threaded design with Class 2A thread fit ensures precise engagement while the coarse UNC threading facilitates rapid installation in production settings. Ideal for machinery assembly, structural frameworks, and equipment manufacturing, these external hex drive fasteners provide reliable performance where thermal cycling and mechanical stress are concerns, making them essential components for maintenance-critical applications across multiple industries.
Specification Summary & Compliance
This 1-1/2" length hex head screw features 5/16"-18 UNC coarse threading with Class 2A thread fit tolerance for precision assembly. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength. The nylon patch thread locker operates within -55° to 250°F temperature range. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in industrial applications worldwide.
