S-98130A450 1/2"-13 x 1 1/2" Pentagon Head Screws

Key Features & Benefits at a Glance

• Enhanced Security & Tamper Resistance: The external pentagon drive and pentagon head design deter unauthorized removal, providing reliable protection in high-security industrial environments.
• Superior Corrosion Resistance: Made from 18-8 Stainless Steel, this screw offers excellent resistance to rust and corrosion, ensuring long-term reliability in harsh or outdoor applications.
• High Tensile Strength for Demanding Loads: With a 70,000 psi tensile strength and Rockwell B70 hardness, it maintains integrity under high stress and vibration, reducing the risk of failure.
• Optimized for Quick Assembly: The 1/2"-13 UNC coarse thread and fully threaded design enable faster installation and a secure grip in various materials, saving time on the production line.
• Precision Thread Fit for Consistent Performance: Class 2A thread fit ensures reliable, uniform engagement with mating parts, minimizing cross-threading and improving assembly efficiency.
• Robust Drive System: The 13/16" drive size provides ample torque transfer, allowing for secure tightening without stripping the drive, even in high-torque applications.
• Compliance with Global Safety Standards: Meets RoHS 3 and REACH regulations, ensuring the screw is free from hazardous substances and safe for use in regulated industries.

Professional Applications & Engineering Value

This 1/2"-13 UNC pentagon head screw in 18-8 Stainless Steel is engineered to address critical challenges in industrial fastening, such as tampering, corrosion, and mechanical stress. The external pentagon drive and head design offer a non-standard security feature, making it ideal for applications in public infrastructure, machinery, and access panels where unauthorized access is a concern. Its coarse threading and Class 2A fit ensure quick, reliable installation in coarse-grained materials like wood or soft metals, reducing assembly time and improving productivity. The fully threaded configuration provides consistent clamping force along the entire 1-1/2" length, enhancing joint stability in vibrating environments. With high tensile strength and corrosion resistance, it delivers durable performance in demanding sectors like construction, automotive, and marine engineering, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including UNC coarse thread with Class 2A thread fit for consistent accuracy and ease of assembly. It is manufactured from 18-8 Stainless Steel with a Rockwell B70 hardness and 70,000 psi tensile strength, ensuring mechanical reliability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it meets environmental and safety regulations, making it suitable for global industrial use without hazardous substance concerns.