S-99894A132 1/4"-20 x 1 3/4" MS90725-13 Mil. Spec. Medium-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance provided by cadmium plating extends service life in harsh environments, minimizing maintenance and replacement costs.
• High hardness rating (Rockwell C25) enhances wear resistance and durability, maintaining fastener integrity under repeated use.
• Coarse UNC threading allows for quick and easy installation, saving time and labor in assembly operations.
• Precise Class 2A thread fit ensures consistent engagement and secure fastening, preventing loosening in vibrating machinery.
• External hex drive design enables straightforward installation with standard tools, improving efficiency in tight spaces.
• Partial threading provides optimal grip and clamping force for specific joint requirements, enhancing structural stability.

Professional Applications & Engineering Value

Engineered for demanding environments, these Grade 5 hex head screws deliver robust performance in machinery, construction, and heavy equipment assemblies. The cadmium plated finish combats oxidation and chemical exposure, ideal for outdoor or corrosive settings. With UNC coarse threads and Class 2A fit, they resist vibration-induced loosening while ensuring swift installation. The partially threaded design concentrates clamping force precisely, solving alignment issues in structural frameworks. These 1/4-20 screws meet MS90725-13 standards, providing reliability in automotive, aerospace, and industrial maintenance where high tensile strength and durability are critical.

Specification Summary & Compliance

This fastener adheres to inch system dimensions with a 1/4"-20 UNC thread size and Class 2A thread fit for precise tolerance. It conforms to MS90725-13 specifications, ensuring consistent quality and performance. The cadmium plating meets industry standards for corrosion protection, while the Grade 5 classification guarantees mechanical properties suitable for heavy-duty applications. Compliant with relevant industrial regulations, it supports reliable use in sectors requiring certified components.