S-98201A615 1/2"-13 x 2 3/4" Exact-Grip-Length Flanged Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency.
• High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and vibration, minimizing the risk of fastener failure.
• Precise Class 3A thread fit provides superior engagement and clamping force for secure assemblies in critical applications.
• Integrated flange design eliminates the need for a separate washer, distributing load evenly and speeding up installation.
• Hex socket drive with 3/8" drive size allows for high-torque installation in confined spaces using standard tools.
• Coarse 1/2"-13 UNC threads enable quicker assembly and are less prone to cross-threading compared to fine threads.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international supply chain requirements.

Professional Applications & Engineering Value

This Flanged Socket Head Cap Screw is engineered to address common industrial challenges such as joint integrity under dynamic loads and exposure to corrosive elements. The 18-8 Stainless Steel material offers excellent resistance to rust and oxidation, making it suitable for outdoor machinery, marine equipment, and food processing applications where moisture is present. The partially threaded design with a defined grip length ensures that the unthreaded shank bears the shear load effectively, while the UNC coarse threads provide rapid installation in structural frameworks and heavy-duty assemblies. The combination of 80,000 PSI tensile strength and Rockwell B83 hardness guarantees that the screw maintains its clamp load in high-vibration environments, reducing maintenance downtime and enhancing the longevity of the overall assembly.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a precise Class 3A thread fit for accurate engagement. Dimensions include a 1/2"-13 thread size, 2 3/4" length, and 3/8" hex drive. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.