S-91857A194 8-32 x 1/2" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 316 stainless steel construction and passivated finish, ideal for harsh chemical and marine environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under heavy loads
• Precision threading with UNC coarse threads and Class 2A fit ensures smooth installation and secure fastening in various materials
• Full threading design provides maximum grip along the entire 1/2" length for enhanced holding power
• Industry-standard compliance with ASME B18.6.3 specifications guarantees consistent quality and dimensional accuracy
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict regulatory requirements
• Easy installation with traditional slotted drive and rounded head design for straightforward manual or automated assembly

Professional Applications & Engineering Value

This 316 stainless steel rounded head slotted screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threading and Class 2A thread fit provides excellent engagement in various substrates while the passivated finish creates an additional protective layer against chemical attack and oxidation. These fully threaded screws are particularly valuable in marine equipment, chemical processing plants, and food processing machinery where exposure to moisture, salts, and aggressive chemicals would compromise ordinary fasteners. The rounded head design with slotted drive offers both aesthetic appeal and practical installation benefits, making these industrial screws ideal for applications requiring both functional performance and visual cleanliness.

Specification Summary & Compliance

This precision-engineered fastener maintains Class 2A thread fit tolerances per UNC standards with exact dimensional control including 0.164" thread diameter and 1/2" length. Manufacturing follows strict ASME B18.6.3 specifications for dimensional consistency and performance reliability. The screw is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical safety, ensuring environmental responsibility throughout its lifecycle.