S-92865A841 3/4"-10 x 1 3/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from zinc plating protects against rust and environmental damage, extending service life in harsh industrial or outdoor settings.
• High hardness rating (Rockwell C25) provides excellent wear resistance, maintaining thread integrity and dimensional stability through repeated use.
• Coarse UNC threading with Class 2A fit offers faster installation and easier alignment while maintaining secure fastening in various materials.
• Full threading along the entire 1 3/4" length allows for maximum grip and adjustability in assembly applications.
• External hex drive design enables high torque application with standard tools, facilitating quick and secure installations.
• Compliance with multiple industry standards including ASME B18.2.1 and SAE J429 ensures consistent quality and interchangeability in professional applications.

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers critical engineering value through its zinc plated steel construction and coarse UNC threading, specifically designed to address common industrial fastening challenges. The combination of 120,000 PSI tensile strength and Rockwell C25 hardness provides exceptional resistance to vibrational loosening and shear forces in heavy machinery, structural steel connections, and equipment manufacturing. The fully threaded design ensures maximum engagement in thick materials or when through-bolting is required, while the external hex drive accommodates high-torque applications without stripping. This industrial hex head fastener solves critical issues of joint integrity maintenance in construction, automotive assembly, and industrial maintenance where reliable, high-strength fastening is paramount.

Specification Summary & Compliance

This fastener features precision Class 2A thread fit with 3/4"-10 UNC coarse threading manufactured to ASME B18.2.1 and SAE J429 Grade 5 specifications. The product maintains dimensional accuracy with a 1 3/4" length and right-hand thread direction. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industrial applications.