S-91792A124 5-40 x 1/4" ASME B18.6.3 Stainless Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for demanding industrial applications
• Precision thread engagement through Class 2A thread fit and UNC coarse threading, providing secure fastening and reduced cross-threading risk
• Easy installation and removal with standard slotted drive design and rounded pan head profile for straightforward tool access
• Full-length threading ensures maximum grip along the entire 1/4" length for enhanced holding power
• Regulatory compliance meets ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Right-hand thread direction offers compatibility with standard assembly procedures and equipment

Professional Applications & Engineering Value

Engineered for industrial applications where corrosion resistance and mechanical reliability are critical, these 5-40 UNC coarse thread screws with rounded pan head design solve common fastening challenges in manufacturing, electronics, and machinery assembly. The 18-8 stainless steel material combined with passivated finish provides exceptional protection against oxidation and chemical exposure, while the Class 2A thread fit ensures precise engagement that prevents loosening under vibration. The slotted drive configuration allows for quick installation with standard tools, making these fully threaded screws ideal for applications requiring consistent clamping force across the entire fastener length. Their compliance with ASME B18.6.3 standards guarantees dimensional accuracy and performance consistency for quality-conscious engineering projects.

Specification Summary & Compliance

This 5-40 UNC coarse thread screw features precise Class 2A thread fit tolerances and is manufactured to ASME B18.6.3 specifications for dimensional accuracy. The fastener maintains 1/4" length with fully threaded design and right-hand thread direction. Compliance is verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial applications without hazardous substance restrictions.