S-93810A130 1/4"-20 x 1" ASME B18.2.1 Super-Corrosion-Resistant High-Strength Bumax 88 Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Bumax 88 stainless steel construction provides superior corrosion resistance, extending service life in harsh or outdoor environments.
• UNC coarse threading with Class 2A fit offers quick assembly and secure fastening, minimizing cross-threading and installation errors.
• External hex drive design allows for easy installation and removal with standard tools, improving maintenance efficiency.
• Partial threading provides unthreaded shank for enhanced shear strength and precise clamping in structural joints.
• Compliance with ASME B18.2.1 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality in industrial assemblies.
• RoHS 3 and REACH environmental compliance meets regulatory requirements for safe use in sensitive applications, supporting sustainable procurement.

Professional Applications & Engineering Value

This 1/4"-20 UNC hex head screw in Bumax 88 stainless steel is engineered to address critical challenges in heavy-duty and corrosive environments. Its coarse thread design ensures rapid installation and high vibration resistance, making it ideal for machinery, construction, and marine applications where reliability is paramount. The external hex drive facilitates easy torque application, reducing assembly time and labor costs. With a tensile strength of 110,000 psi and excellent corrosion resistance, it prevents premature failures in structural fastening, supporting long-term operational safety and reducing maintenance downtime. This screw is a trusted solution for industries requiring durable, high-performance fasteners that comply with stringent engineering and environmental standards.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC thread with Class 2A thread fit for precise dimensional tolerance, ensuring consistent performance in inch-system assemblies. It is manufactured to meet ASME B18.2.1 specifications for hex head screws, guaranteeing reliability and interchangeability. The product is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, adhering to environmental regulations for hazardous substance restrictions. With a coarse thread spacing and partial threading, it is designed for robust mechanical applications requiring high strength and corrosion resistance.