S-30045T811 1 1/4"-7 Hex Nuts

Key Features & Benefits at a Glance

• Dual-thread compatibility with both left-hand and right-hand threads enables secure locking on turnbuckles and bidirectional applications
• Superior corrosion resistance through galvanized steel construction ensures long-term performance in marine and outdoor environments
• Reliable thread engagement with Class 2B fit provides consistent clamping force while allowing for smooth assembly
• Heavy-duty load capacity meeting Grade 2 strength standards makes these nuts suitable for construction and industrial applications
• Optimized coarse threading (1 1/4"-7 UNC) resists vibration loosening and enables quick installation in demanding conditions
• Standard external hex design offers compatibility with common wrenches and tools for straightforward installation
• Complete turnbuckle solution with matched left and right-hand nuts eliminates sourcing separate components

Professional Applications & Engineering Value

This galvanized steel hex jam nut set addresses critical fastening challenges in marine, construction, and industrial applications where vibration resistance and corrosion protection are paramount. The Grade 2 strength classification ensures reliable performance under moderate loads, while the zinc galvanized coating provides essential protection against saltwater corrosion and environmental degradation. The inclusion of both left-hand and right-hand threaded jam nuts creates an effective locking system for turnbuckles, preventing unintended rotation in rigging systems, cable tensioning applications, and structural bracing. The coarse UNC threading maintains its grip under constant vibration, making these nuts ideal for equipment subjected to dynamic loads and harsh operating conditions.

Specification Summary & Compliance

These hex jam nuts feature precise Class 2B thread fit with 1 1/4"-7 UNC coarse thread spacing and standard external hex drive design. Manufacturing complies with inch system standards and meets Grade 2 strength requirements for reliable performance. The nuts measure 1 7/8" across flats with a 23/32" height, providing substantial bearing surface for secure fastening. The galvanized steel construction offers corrosion resistance suitable for demanding environments while maintaining compliance with industrial fastener specifications.