S-92245A727 1/2"-13 x 3" FF-S-85, MS35307-419 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance in demanding applications
• Rockwell B74 hardness provides excellent durability and resistance to wear
• UNC coarse threading with Class 2A fit offers quick assembly and secure fastening
• Partially threaded design allows for precise clamping force control
• External hex drive with 3/4" head width enables easy installation using standard tools
• Compliance with RoHS 3 and REACH ensures environmental and safety standards are met

Professional Applications & Engineering Value

This 1/2"-13 x 3" hex head screw in passivated 18-8 stainless steel delivers exceptional corrosion resistance and mechanical strength, making it ideal for industrial applications such as machinery assembly, structural frameworks, and outdoor equipment. The UNC coarse thread design facilitates rapid installation in coarse-grained materials, reducing assembly time while maintaining a secure hold. With a tensile strength of 70,000 psi and Rockwell B74 hardness, it withstands high-stress conditions without compromising integrity. The partial threading ensures optimal grip length, preventing over-tightening and material damage. Engineered to meet rigorous standards, this screw provides long-term reliability in corrosive or high-load environments, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC coarse thread with Class 2A thread fit for standard tolerance, ensuring consistent performance. It complies with Fed. Spec. FF-S-85 (MS35307-419) for dimensional accuracy and material quality. Additionally, it is RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, adhering to environmental and safety regulations for hazardous substances.