S-92785A437 1/4"-20 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Maximum holding power provided by the 90° cone point design, ensuring secure component positioning
• Precise thread engagement with Class 3A fit for reliable, vibration-resistant fastening in demanding applications
• Exceptional durability from Rockwell B80 hardness, maintaining performance under repeated use
• Easy installation and removal using the 1/8" hex drive, compatible with standard tools
• Broad compatibility with UNC coarse threads (1/4"-20) for versatile use across industrial equipment
• Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH for global quality assurance

Professional Applications & Engineering Value

This 1/4"-20 UNC set screw delivers critical engineering value in applications requiring secure shaft and component fixation. The 18-8 stainless steel material provides excellent corrosion resistance, essential for machinery exposed to moisture or chemicals. Its hex headless design allows flush mounting in confined spaces, while the 90° cone point bites into mating surfaces to prevent slippage under vibration. The Class 3A thread fit ensures precise engagement in pulleys, gears, and collars, reducing maintenance needs. Ideal for industrial automation, power transmission systems, and precision equipment, this set screw combines material strength with geometric precision to solve alignment and retention challenges.

Specification Summary & Compliance

This set screw features a 1/4"-20 UNC coarse thread with Class 3A thread fit for high precision. It measures 1/2" in length with a 1/8" hex drive and 90° cone point. Manufactured to ASME B18.3 specifications, it ensures dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial use.