S-91410A753 5/16"-18 x 3/8" ASME B18.6.2 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
- Superior torque transmission with external square drive design for reliable tightening in demanding applications
- Enhanced material durability through Rockwell B80 hardened steel construction resisting wear and deformation
- Optimized thread engagement with UNC coarse spacing ensuring faster installation and reduced cross-threading risks
- Precise mechanical fit through Class 2A thread tolerance maintaining consistent clamping force in assemblies
- Concentrated contact pressure from cup tip design preventing component slippage under vibration or load
- Regulatory compliance assurance meeting ASME B18.6.2 specifications for dimensional accuracy and performance
- Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This 5/16"-18 UNC square head set screw delivers critical fastening reliability in industrial machinery, automotive components, and precision equipment. The steel construction with Rockwell B80 hardness provides exceptional resistance to shear forces and repetitive stress, while the coarse thread spacing enables rapid installation in time-sensitive production environments. The cup tip configuration concentrates clamping force on shafts and collars, preventing rotational slippage in high-torque applications. Engineered to ASME B18.6.2 standards, this square head set screw maintains dimensional consistency across batch productions, reducing assembly variances in OEM manufacturing and maintenance operations.
Specification Summary & Compliance
This industrial fastener features Class 2A thread fit per UNC standards with precise 5/16"-18 thread sizing and 3/8" length. Manufacturing complies with ASME B18.6.2 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) requirements for chemical safety, ensuring regulatory acceptance across global markets.
