S-93734A140 1/2"-13 x 1 3/4" Tension-Indicating Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 150,000 PSI ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure under extreme loads.
• Precise 10,000 lbs tension indication allows for accurate bolt tightening and monitoring, preventing under or over-torquing in critical assemblies.
• Zinc yellow-chromate plated steel construction provides excellent corrosion resistance, extending service life in harsh environments and reducing maintenance needs.
• Grade 8 strength classification with Rockwell C33 hardness offers superior durability and wear resistance, ideal for heavy-duty machinery and structural applications.
• UNC coarse thread with Class 2A fit ensures easy installation and secure fastening, minimizing cross-threading and improving assembly efficiency.
• Temperature range of 0° to 165° F maintains consistent performance across varying operational conditions, suitable for outdoor and industrial settings.
• REACH compliance guarantees adherence to environmental and safety regulations, supporting sustainable and responsible manufacturing practices.

Professional Applications & Engineering Value

This Grade 8 tension indicating hex head screw is engineered to address critical challenges in heavy-duty industrial fastening, where precise bolt tension and long-term reliability are paramount. The zinc yellow-chromate plated steel material combats corrosion in aggressive environments, while the fully threaded UNC coarse thread design with Class 2A fit ensures quick, secure installation without compromising integrity. Ideal for applications in construction, machinery, and automotive sectors, this screw provides a dependable solution for assemblies requiring monitored clamping force, such as structural frames, engine components, and high-stress equipment. Its 150,000 PSI tensile strength and 10,000 lbs tension indication enable engineers to achieve optimal joint performance, reducing downtime and enhancing safety in demanding operations.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading (1/2"-13) to facilitate easy assembly. Manufactured in accordance with industry specifications for Grade 8 strength, it meets rigorous mechanical requirements with a tensile strength of 150,000 PSI and Rockwell C33 hardness. The product is fully compliant with REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.