S-91241A122 10-24 x 1/2" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with integrated spring lock washer that maintains clamping force under dynamic loads
• Excellent corrosion protection through passivated 18-8 stainless steel construction for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance in demanding applications
• Quick installation and removal with No. 2 Phillips drive and standardized UNC coarse threading
• Consistent thread engagement through Class 2A thread fit and full threading along the entire 1/2" length
• Durable material combination featuring 18-8 stainless steel screw with 410 stainless steel washer for matched corrosion resistance
• Secure fastening solution with rounded pan head design that provides positive seating and professional appearance

Professional Applications & Engineering Value

This 10-24 UNC coarse thread screw with spring lock washer addresses critical vibration-induced loosening challenges in industrial equipment, machinery, and automotive assemblies. The 18-8 stainless steel construction combined with passivated finish delivers exceptional corrosion resistance for environments exposed to moisture, chemicals, and temperature variations. The fully threaded design ensures maximum thread engagement in various material thicknesses, while the Rockwell B80 hardness provides optimal balance between strength and machinability. Ideal for vibration-resistant fastening in manufacturing, electronics enclosures, and mechanical systems where reliability is paramount. The integrated locking mechanism eliminates the need for separate washers, streamlining installation while maintaining consistent clamping force throughout the product lifecycle.

Specification Summary & Compliance

Manufactured to Class 2A thread fit tolerances with UNC coarse threading (10-24 size) and standardized dimensions per ASME B18.13 specifications. The fastener system features a 1/2" length with fully threaded shank and incorporates a spring lock washer with 0.446" OD. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications. Both screw and washer components feature passivated finish for enhanced corrosion protection while maintaining the mechanical properties of 18-8 and 410 stainless steel respectively.