S-91783A261 10-24 x 4" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable, heavy-duty fastening
• Precise thread engagement through Class 2A thread fit and UNC coarse threading, ensuring secure installation and vibration resistance
• Optimized partial threading design provides concentrated thread strength where needed while reducing material usage
• Industry-standard compliance with ASME B18.6.3 specifications for guaranteed dimensional accuracy and performance
• Easy installation and removal with standard slotted drive design and rounded head profile for straightforward tool access
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict international regulatory standards

Professional Applications & Engineering Value

These 10-24 UNC coarse thread screws deliver critical engineering solutions for industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional protection against oxidation and chemical exposure, making them ideal for marine equipment, food processing machinery, and outdoor structural applications. The partially threaded design concentrates fastening strength precisely where needed, while the 4" length and coarse threading ensure rapid installation and superior holding power in various materials. With 100,000 psi tensile strength, these rounded head screws maintain joint integrity under significant mechanical stress, vibration, and thermal cycling conditions common in manufacturing and construction environments.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerance for consistent dimensional accuracy. Features UNC coarse threads (10-24 size) with right-hand thread direction and partial threading extending to minimum 1½". Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The rounded head design with slotted drive provides standardized installation compatibility across industrial tooling systems.