S-92991A827 10-32 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in harsh environments
• Precise Class 3A thread fit ensures reliable, vibration-resistant fastening in critical applications
• Enhanced gripping power from cup point design prevents component slippage and maintains positioning
• Space-saving headless profile allows installation in confined spaces where clearance is limited
• Secure hex drive engagement with 3/32" drive size provides positive torque transmission during installation
• Consistent mechanical performance with Rockwell B55 hardness for dependable, repeatable fastening
• Fine thread spacing delivers improved adjustment precision and superior load distribution

Professional Applications & Engineering Value

This 10-32 UNF brass set screw delivers exceptional engineering value in precision assembly applications where corrosion resistance and reliable positioning are critical. The headless cup point design provides maximum biting force into shaft materials, preventing rotational slippage in pulleys, gears, and collars. Manufactured from durable brass material, these set screws resist galvanic corrosion and are ideal for marine, electrical, and plumbing applications where non-sparking properties are advantageous. The fine UNF thread spacing combined with Class 3A thread fit ensures precise adjustment capability and maintains clamping force under vibration, making these industrial set screws perfect for precision machinery, instrumentation, and manufacturing equipment where dimensional stability is paramount.

Specification Summary & Compliance

This precision fastener features 10-32 UNF fine threads with Class 3A thread fit for superior dimensional accuracy and consistent performance. The screw meets ASME B18.3 specifications for set screw dimensional standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. With a length of 3/8" and 3/32" hex drive, this headless set screw maintains strict manufacturing tolerances throughout production, ensuring reliable performance in industrial applications requiring precise component positioning and secure fastening solutions.