S-98637A155 6-32 x 3/8" MS51963-24 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium plating, extending service life in harsh industrial environments
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in critical assemblies
• High Rockwell C45 hardness provides excellent wear resistance and maintains thread integrity under repeated adjustments
• Compact headless design with 1/16" hex drive allows installation in confined spaces while providing reliable torque transmission
• Coarse UNC threading enables faster installation and reduced cross-threading risks compared to fine-thread alternatives
• Cup tip configuration creates positive seating and improved grip on shaft surfaces for enhanced locking performance
• Full MS51963-24 compliance guarantees consistent quality and interchangeability in military and aerospace applications

Professional Applications & Engineering Value

This 6-32 UNC set screw delivers exceptional performance in precision assemblies where space constraints and vibration resistance are critical. The cadmium-plated alloy steel construction provides superior corrosion protection while maintaining the Rockwell C45 hardness needed for high-strength applications. The headless design with 1/16" hex drive solves clearance issues in compact machinery, while the Class 3A thread fit ensures precise engagement in industrial set screw applications. The coarse thread spacing combined with right-hand threading facilitates quick installation in production environments, and the cup tip design prevents slippage on shaft components. Ideal for securing gears, pulleys, and collars in automotive, aerospace, and manufacturing equipment where reliable positioning is paramount.

Specification Summary & Compliance

This 3/8" length set screw features precise 6-32 UNC coarse threads with Class 3A thread fit tolerances, ensuring consistent performance across mating components. Manufactured from cadmium-plated alloy steel and hardened to Rockwell C45, the fastener meets stringent MS51963-24 military specifications. The product complies with industry-standard dimensional requirements for headless set screws with 1/16" hex drive and cup tip configuration, providing reliable performance in demanding mechanical applications.