S-2995T903 7/8"-9 Hex Nuts

Key Features & Benefits at a Glance

• Dual-thread versatility - Includes both right-hand and left-hand threaded nuts for flexible installation in complex assemblies and turnbuckle systems
• Reliable thread engagement - Class 2B thread fit ensures consistent, secure fastening without cross-threading or binding issues
• Heavy-duty construction - Grade 2 steel material provides excellent strength and durability for demanding industrial applications
• Easy installation and removal - Standard external hex drive design (1 19/64" width) offers superior tool grip and torque transmission
• Coarse thread advantage - 7/8"-9 UNC thread pattern enables quick assembly and disassembly while resisting vibration loosening
• Regulatory compliance assurance - Meets REACH and RoHS 3 environmental standards for safe use in regulated industries
• Precision dimensional control - Consistent 31/64" height and standard hex profile ensure proper seating and uniform clamping force

Professional Applications & Engineering Value

This heavy-duty hex jam nut set addresses critical challenges in industrial fastening systems where vibration resistance and secure locking are paramount. The inclusion of both right-hand and left-hand threaded nuts makes it particularly valuable for turnbuckle applications and machinery requiring opposing thread directions. Manufactured from Grade 2 steel, these 7/8"-9 UNC coarse thread nuts provide exceptional shear strength and fatigue resistance in high-stress environments. The standard external hex drive configuration ensures compatibility with common wrenching tools while the Class 2B thread fit guarantees smooth engagement without compromising retention security. This combination of features makes these jam nuts ideal for construction equipment, marine rigging, and industrial machinery where reliable vibration-resistant fastening is non-negotiable.

Specification Summary & Compliance

This hex jam nut set features precision 7/8"-9 UNC coarse threads with Class 2B thread fit tolerance for optimal engagement. The nuts measure 1 19/64" across flats with 31/64" height, manufactured to standard hex profile dimensions. The set includes one left-hand threaded and one right-hand threaded jam nut, both constructed from Grade 2 steel with external hex drive configuration. Compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental safety and regulatory adherence for industrial applications.