S-92695A765 5/16"-18 x 2 1/2" ASME B18.3, ASTM F912 Set Screws
Set 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 holding power with Class 3A thread fit ensuring precise, vibration-resistant connections in demanding applications
- Superior corrosion resistance from Black-Oxide coating on Alloy Steel, extending service life in harsh industrial environments
- Reliable installation torque transfer via 5/32" hex drive, preventing tool slippage and ensuring consistent clamping force
- Enhanced grip penetration with 90° cone point design that bites into shafts and collars for permanent positioning
- Optimized mechanical strength from Rockwell C45 hardness, maintaining thread integrity under high stress loads
- Industry-standard compatibility with UNC coarse threads (5/16"-18) for seamless integration with existing equipment
- Space-saving headless design allowing flush mounting where protruding fastener heads are impractical
Professional Applications & Engineering Value
Engineered for permanent positioning in power transmission systems and rotating assemblies, this Black-Oxide Alloy Steel set screw solves critical challenges in industrial maintenance and OEM manufacturing. The 90° cone point creates permanent dimples in shafts and gears, preventing axial movement even under extreme vibration—addressing common failure points in conveyor systems, motor couplings, and pulley assemblies. The Class 3A thread fit provides tighter tolerances than commercial-grade fasteners, ensuring precise alignment in precision machinery while the coarse UNC threads resist loosening in high-vibration environments. With 2-1/2" length providing deep engagement in thick materials, this headless set screw delivers reliable performance where space constraints prohibit traditional fastener designs.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit for superior dimensional accuracy. Features 5/16"-18 UNC coarse threads with right-hand direction and 5/32" hex drive compatibility. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
