S-99553A393 10-32 x 1/4" ASME B18.3 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 corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
- Exceptional thread precision from the Class 3A fit and 10-32 UNF fine thread, ensuring reliable, vibration-resistant fastening.
- High-strength durability backed by Rockwell B80 hardness, providing excellent resistance to wear and deformation.
- Secure, flush installation with the headless hex drive and 3/32" drive size, allowing for a clean profile and tamper-resistant assembly.
- Effective component positioning via the oval tip design, which minimizes surface damage and offers superior grip on shafts and collars.
- Broad compliance and reliability meeting ASME B18.3 specifications, RoHS 3, and REACH, ensuring quality and environmental safety.
- Compact and versatile with a 1/4" length, suitable for space-constrained applications requiring precise axial location.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 316 stainless steel set screws provide a robust solution for permanent component positioning on shafts, collars, and gears. The Class 3A thread fit and UNF fine threads deliver superior clamping force and vibration resistance, critical in high-stress machinery and automotive assemblies. The headless hex drive and oval tip design prevent protrusion and marring, making them ideal for precision equipment, marine hardware, and chemical processing systems where corrosion resistance and reliability are paramount. Their compliance with major standards ensures consistent performance and easy integration into global supply chains.
Specification Summary & Compliance
This set screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for high precision and a 10-32 UNF fine thread with right-hand direction. Dimensions include a thread diameter of 0.19", length of 1/4", and a 3/32" hex drive. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory acceptance in industrial markets.
