S-91790A144 6-32 x 1/4" ASME B18.6.3 Stainless Steel Slotted Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Exceptional mechanical strength delivering 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing capability
• Precision flush mounting enabled by standard oval head profile and 82° countersink angle for seamless surface integration
• Optimized thread engagement with Class 2A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Full threading coverage providing maximum grip length and uniform stress distribution across the entire fastener
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmental responsibility through RoHS 3 and REACH compliance, ensuring safe usage in regulated applications

Professional Applications & Engineering Value

These 6-32 UNC oval head slotted machine screws deliver critical engineering advantages in applications requiring both aesthetic appeal and structural integrity. The 18-8 stainless steel composition combined with passivated finish provides exceptional resistance to corrosion, oxidation, and chemical exposure, making them ideal for marine, food processing, and outdoor equipment applications. The standard oval head profile with 82° countersink angle enables perfect flush mounting in precision assemblies, eliminating protrusions while maintaining structural integrity. The fully threaded design with coarse UNC threads ensures maximum holding power in various materials, from metals to plastics, while the Class 2A thread fit guarantees consistent installation torque and reliable performance in vibration-prone environments. These flat head screws are engineered to solve common industrial challenges including corrosion-induced failure, improper seating, and installation inconsistency.

Specification Summary & Compliance

This 6-32 UNC machine screw features precise dimensional control with Class 2A thread fit per ASME B18.6.3 specifications, ensuring consistent performance and interchangeability. The right-hand coarse threads provide optimal engagement in various materials, while the 1/4" length and fully threaded design offer versatile fastening solutions. Manufacturing compliance includes adherence to ASME B18.6.3 dimensional standards, while environmental regulations meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements for hazardous substance restrictions.