S-91857A146 6-32 x 3/8" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Enhanced durability through passivated surface treatment that improves corrosion resistance and extends service life
• Precision threading with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Full threading design provides maximum grip length and uniform stress distribution across the entire fastener
• Standard slotted drive offers compatibility with common tools while the rounded head provides a finished appearance
• Regulatory compliance meets ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 316 stainless steel rounded head screws with UNC coarse threading deliver exceptional performance in demanding industrial settings. The combination of 100,000 psi tensile strength and Rockwell B100 hardness ensures reliable fastening under mechanical stress, while the passivated finish significantly enhances corrosion resistance against chemicals, saltwater, and industrial atmospheres. The Class 2A thread fit provides optimal clearance for efficient assembly without compromising joint integrity. These fully threaded machine screws are engineered for applications requiring consistent clamping force across the entire fastener length, making them ideal for industrial equipment, marine hardware, chemical processing systems, and food processing machinery where corrosion resistance and mechanical reliability are critical.

Specification Summary & Compliance

This 6-32 UNC rounded head slotted screw features precise Class 2A thread tolerances with coarse thread spacing, manufactured to ASME B18.6.3 specifications for dimensional accuracy and 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 applications. With a length of 3/8 inch and complete threading, these screws maintain consistent quality standards for professional installation requirements.