S-95505A627 1 1/4"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Grade 5 steel construction, ensuring reliable performance in demanding applications
• Enhanced vibration resistance due to fine UNF thread spacing, maintaining secure connections under dynamic loads
• Precise thread engagement with Class 2B thread fit, facilitating smooth assembly and reducing cross-threading risks
• Standardized compatibility through ASME B18.2.2 compliance, guaranteeing interchangeability with industry-standard components
• Robust external hex drive design providing excellent torque transmission and tool accessibility
• Environmental regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industries
• Optimized dimensional stability with 1 7/8" width and 1 1/16" height for consistent performance across applications

Professional Applications & Engineering Value

This Grade 5 steel hex nut delivers exceptional engineering value through its UNF fine thread configuration and Class 2B thread fit, specifically engineered to address critical industrial challenges. The fine thread spacing provides superior resistance to vibrational loosening in heavy machinery, automotive assemblies, and structural applications where dynamic loads are prevalent. Manufactured from medium carbon steel, this fastener achieves optimal strength-to-weight ratio while maintaining excellent machinability. The external hex drive design ensures maximum torque application capability, reducing installation time and improving workplace efficiency. These industrial hex nuts serve as reliable components in equipment manufacturing, construction projects, and maintenance operations where precision threading and long-term durability are paramount requirements.

Specification Summary & Compliance

This hex nut maintains Class 2B thread fit tolerance according to UNF standards, ensuring precise dimensional accuracy across production batches. Manufacturing compliance with ASME B18.2.2 specifications guarantees consistent quality and performance. The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, confirming restriction of hazardous substances. Thread specifications include 1 1/4"-12 UNF right-hand thread with fine spacing, while dimensional parameters feature 1 7/8" width and 1 1/16" height in standard hex nut profile configuration.