S-98130A660 1/2"-13 x 1 3/4" Pentagon Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Secure tamper-resistant installation featuring an external pentagon drive and pentagon head design
• Precise thread engagement with Class 2A UNC coarse threads ensuring reliable fastening and vibration resistance
• Full-length threading provides maximum grip and load distribution across the entire 1 3/4" length
• Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe usage
• Optimized for heavy-duty industrial use with a robust 13/16" drive size for high-torque applications

Professional Applications & Engineering Value

This 1/2"-13 UNC pentagon head screw delivers critical engineering value in industrial settings where security and durability are paramount. The 18-8 Stainless Steel material offers superior corrosion resistance, making it suitable for outdoor, marine, or chemical-exposed environments. Its external pentagon drive and pentagon head provide tamper-resistant benefits, preventing unauthorized access in public infrastructure, machinery guards, or transportation equipment. The coarse UNC threading and Class 2A thread fit ensure quick assembly and reliable performance under vibration, reducing maintenance needs. With a 70,000 psi tensile strength, it handles high-stress applications in construction, manufacturing, and heavy equipment, ensuring long-term operational integrity and safety.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is fully threaded with a coarse thread spacing and right-hand thread direction. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets strict environmental and safety regulations for industrial use.