S-95235A505 8-32 x 3/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker that maintains secure fastening up to 250°F, preventing loosening in dynamic applications
• Precise thread engagement with Class 3A external thread fit ensuring reliable mating with internal threads in critical assemblies
• Superior material strength from alloy steel construction with Rockwell C45 hardness for excellent durability and wear resistance
• Enhanced gripping capability through extended tip design that provides deeper penetration and improved holding power
• Easy installation and removal with 5/64" hex drive that offers reliable torque transmission in confined spaces
• Industry-standard compatibility with UNC coarse thread spacing and 8-32 thread size for broad application across industrial equipment
• Headless design advantage allowing flush mounting where protruding fasteners would interfere with mechanical operation

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers exceptional engineering value in applications requiring secure positioning of components on shafts, collars, and pulleys. The alloy steel construction with Rockwell C45 hardness provides the necessary strength to withstand rotational forces and vibration in power transmission systems. The nylon patch locking mechanism eliminates the need for secondary locking devices, reducing assembly time while maintaining integrity in environments up to 250°F. The extended tip design creates deeper indentation in mating surfaces, solving common slippage issues in high-torque applications. These headless set screws are particularly valuable in precision machinery, automotive assemblies, and industrial equipment where space constraints and vibration resistance are critical concerns.

Specification Summary & Compliance

This set screw features precision Class 3A external thread fit with UNC coarse thread spacing (8-32 thread size) and right-hand thread direction. Manufacturing complies with ASME B18.3 specifications (ASTM F912) ensuring dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for environmental and safety standards. Critical dimensions include 3/8" length, 5/64" hex drive size, and extended tip configuration with 0.043" tip length and 0.109" tip diameter within specified tolerances.