S-98637A151 6-32 x 1/4" MS51963-22 Set Screws

Key Features & Benefits at a Glance

• Maximum holding power with Class 3A thread fit for secure, vibration-resistant fastening in demanding applications
• Superior corrosion resistance from cadmium plating, extending service life in harsh industrial environments
• Exceptional durability with Rockwell C45 hardness, maintaining structural integrity under high stress
• Precise installation control using 1/16" hex drive, allowing for consistent torque application in confined spaces
• Reliable mechanical locking with cup tip design, preventing component slippage and maintaining alignment
• Industry-standard compliance meeting MS51963-22 specifications for guaranteed quality and interchangeability
• Optimized for coarse threading with UNC 6-32 configuration, enabling faster installation and superior performance in softer materials

Professional Applications & Engineering Value

This 6-32 UNC set screw delivers critical engineering solutions for industrial assembly challenges. The cadmium-plated alloy steel construction provides essential corrosion protection while maintaining high tensile strength, making it ideal for machinery, automotive components, and electrical enclosures exposed to environmental stressors. The headless hex drive design enables flush mounting in space-constrained applications where protruding fasteners are unacceptable. With coarse thread spacing and Class 3A thread fit, this fastener ensures rapid installation and maintains precise clamping force in vibration-prone environments. The cup tip configuration creates concentrated contact pressure, preventing shaft and gear slippage in power transmission systems. These combined features make it an optimal choice for permanent fastening applications requiring reliable, maintenance-free performance.

Specification Summary & Compliance

This precision fastener features 6-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and interchangeability. The 1/4" length and 0.138" thread diameter maintain strict tolerance standards. Manufactured in compliance with MS51963-22 military specification, ensuring consistent quality and performance. The cadmium plating meets industry standards for corrosion protection while the Rockwell C45 hardness guarantees mechanical reliability. Right-hand thread direction and coarse thread spacing provide optimal engagement in various industrial materials.