S-91925A167 1/2"-13 x 3 15/16" Set Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide coating on 12L14 steel, extending service life in demanding environments
• Secure and precise positioning thanks to the removable swivel tip with 10° maximum angle, preventing component damage during clamping
• Reliable torque transmission via the 1/4" hex drive, ensuring easy installation and removal with standard tools
• Consistent thread engagement with UNC coarse threads and Class 2A fit, providing dependable fastening in high-vibration applications
• Versatile headless design allows for flush mounting in tight spaces where protruding fasteners are not feasible
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in global industrial markets
• Heavy-duty construction with a substantial 3-15/16" length, ideal for deep-set applications requiring robust clamping force

Professional Applications & Engineering Value

This 1/2"-13 UNC set screw is engineered to address critical challenges in industrial assembly and machinery maintenance. The black-oxide 12L14 steel construction provides superior resistance to rust and wear, making it suitable for harsh operational environments. Its removable swivel tip with a 10° maximum swivel angle ensures even pressure distribution, preventing marring on precision shafts and gears. The hex drive design allows for high-torque application without slippage, while the coarse thread spacing and Class 2A thread fit guarantee quick installation and reliable holding power in high-vibration settings like motor mounts and rotating equipment. Ideal for securing collars, pulleys, and other components, this set screw delivers consistent performance in manufacturing, automotive, and heavy machinery sectors.

Specification Summary & Compliance

This set screw features a 1/2"-13 UNC thread with Class 2A fit, ensuring precise dimensional accuracy and interchangeability. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use. The product is manufactured to standard inch system specifications, including coarse thread spacing and right-hand thread direction, supporting reliable performance in various engineering applications.