S-94902A107 5/8"-18 Flange Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring secure, long-lasting fastening in high-stress environments.
• Superior corrosion resistance from the black-phosphate steel coating, extending service life in harsh or outdoor industrial settings.
• Enhanced load distribution thanks to the 1 9/32" flange diameter, reducing surface pressure and preventing damage to connected materials.
• Precise and secure thread engagement with 5/8"-18 UNF fine threads and Class 2B fit, minimizing the risk of loosening under vibration.
• Easy installation and removal using standard 15/16" external hex drive, compatible with common tools for efficient maintenance.
• Compliance with environmental and safety standards including REACH and RoHS 3, ensuring safe use in regulated industries.
• Versatile right-hand thread design for standard assembly applications, providing broad compatibility across industrial machinery and equipment.

Professional Applications & Engineering Value

This Grade 8 black-phosphate steel flange nut is engineered to address critical challenges in demanding sectors such as automotive, construction, and heavy machinery. The UNF fine thread and Class 2B thread fit deliver precise alignment and vibration resistance, crucial for assemblies exposed to dynamic loads. The integrated flange eliminates the need for separate washers, streamlining installation while distributing clamp load effectively to prevent surface indentation. Made from robust black-phosphate steel, it offers enhanced durability against moisture and chemicals, reducing maintenance frequency. Ideal for industrial applications requiring reliable, corrosion-resistant fastening, this nut ensures long-term performance and compliance with stringent industry standards.

Specification Summary & Compliance

This flange nut adheres to inch system dimensions, featuring a 5/8"-18 UNF fine thread with Class 2B thread fit for consistent accuracy. It meets Grade 8 strength requirements, ensuring high tensile performance. The product is manufactured in compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) directives, confirming its suitability for environmentally conscious and regulated industrial use.