S-98637A142 6-32 x 1/8" MS51963-20 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 corrosion resistance through cadmium plating, extending service life in harsh industrial environments
- Superior thread engagement with Class 3A fit ensures precise, vibration-resistant fastening in critical assemblies
- High-strength performance from alloy steel construction with Rockwell C45 hardness for reliable holding power
- Space-saving headless design allows for flush mounting where clearance is limited
- Secure installation with hex drive style providing positive torque control during assembly
- Optimized grip from cup tip design that digs into shaft materials without causing damage
- Industry-standard compatibility with UNC coarse threads for easy integration into existing systems
Professional Applications & Engineering Value
This 6-32 UNC set screw delivers critical engineering solutions for industrial applications requiring precision fastening and vibration resistance. The cadmium-plated alloy steel construction provides excellent corrosion protection while maintaining the high strength needed for demanding mechanical assemblies. With its Class 3A thread fit, this fastener ensures tight tolerances and secure positioning in pulleys, gears, and collars where loosening could cause equipment failure. The headless design and cup tip work together to create a flush, deeply-engaged fastening solution that withstands rotational forces and maintains alignment in machinery, automotive components, and precision instruments. The coarse UNC threading allows for quick assembly while the hex drive enables precise torque application in confined spaces.
Specification Summary & Compliance
This precision set screw features 6-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. The fastener meets MS51963-20 specifications and complies with industry standards for inch fasteners. Manufactured from high-strength alloy steel with cadmium plating for corrosion resistance and hardened to Rockwell C45 for optimal durability. The 1/8" length and right-hand thread direction provide standardized installation across industrial applications.
