S-92695A713 3-48 x 1/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior torque transmission with a 0.050" hex drive for reliable, slip-resistant fastening in high-vibration applications.
• Enhanced corrosion resistance from the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
• Precise thread engagement with Class 3A fit and UNC coarse threads for quick assembly and secure, vibration-resistant holding power.
• Optimal material penetration and component alignment provided by the 90° cone point, ensuring a firm, non-slip grip.
• High mechanical strength and durability from Rockwell C45 hardness, preventing stripping and deformation under heavy loads.
• Space-saving headless design allows for flush mounting in applications where protrusions are not permissible.
• Broad industrial compliance with ASME B18.3, RoHS 3, and REACH, ensuring material safety and standardized reliability.

Professional Applications & Engineering Value

This 3-48 UNC set screw is engineered to address critical challenges in precision assembly and machinery. The black-oxide alloy steel construction provides a robust barrier against rust and wear, essential for maintaining integrity in humid or corrosive operational settings. Its 90° cone point and Class 3A thread fit deliver exceptional clamping force and resistance to loosening under dynamic loads, making it ideal for securing collars, gears, and pulleys on shafts. The hex headless design and coarse UNC threading facilitate quick installation in confined spaces, reducing assembly time while ensuring reliable performance in automotive, aerospace, and industrial equipment applications where vibration resistance and precise component alignment are paramount.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit for high precision and features a UNC coarse thread with a 3-48 thread size. Manufacturing conforms to ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for use in various global markets.