S-94355A533 1/4"-20 x 1/4" 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
• Precise Class 3A thread fit ensures secure, vibration-resistant fastening in critical assemblies
• High durability with Rockwell B80 hardness for long-term performance under mechanical stress
• Space-saving headless design with 1/8" hex drive for flush installation in confined spaces
• Reliable coarse UNC threading provides quick installation and strong holding power
• Flat tip design delivers maximum surface contact for secure component positioning
• Full regulatory compliance with ASME B18.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 1/4"-20 UNC set screw delivers exceptional engineering value for industrial applications requiring reliable, high-strength fastening. The 18-8 Stainless Steel construction provides excellent corrosion resistance, making it suitable for machinery, automotive components, and outdoor equipment exposed to moisture and chemicals. The headless hex design with 1/8" drive allows for flush mounting in space-constrained assemblies while maintaining accessibility for adjustments. The Class 3A thread fit and coarse UNC threading ensure secure engagement and resistance to vibration loosening, critical for maintaining precision alignment in rotating components and mechanical linkages. The flat tip provides superior gripping surface against shafts and collars, preventing slippage in high-torque applications.

Specification Summary & Compliance

This set screw features precise 1/4"-20 UNC coarse threading with Class 3A fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications with Rockwell B80 hardness for consistent performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.