S-91026A029 1/4"-20 ASTM A194 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced Durability & Corrosion Resistance: Black-oxide steel finish provides superior protection against rust and wear in harsh industrial environments.
- Exceptional Strength for Heavy-Duty Applications: ASTM Grade 2H certification ensures high tensile strength and reliable performance under extreme loads.
- Optimized for Secure Fastening: Extra wide profile offers greater surface contact, reducing the risk of loosening and improving torque transmission.
- Wide Compatibility & Easy Installation: 1/4"-20 UNC coarse thread with Class 2B fit ensures smooth engagement and interchangeability with standard components.
- Compliance with Industry Standards: Meets ASTM A194 specifications and RoHS 3 compliance, guaranteeing quality and regulatory adherence.
- Resistance to Vibration & Fatigue: Robust construction and precise thread design minimize failure risks in high-stress, dynamic applications.
- Cost-Effective Maintenance: Long-lasting material and finish reduce replacement frequency and total cost of ownership.
Professional Applications & Engineering Value
This 1/4"-20 UNC hex nut is engineered to address critical challenges in industrial settings where vibration, heavy loads, and corrosive conditions compromise fastener integrity. The black-oxide steel construction provides a durable barrier against oxidation, extending service life in machinery, structural assemblies, and outdoor equipment. Its extra wide profile distributes clamping force more evenly, preventing joint failure and reducing maintenance downtime. With ASTM Grade 2H strength and coarse threading, it ensures quick, secure installation in construction, automotive, and manufacturing applications, delivering reliable performance where safety and precision are paramount.
Specification Summary & Compliance
This nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy. It complies with ASTM A194 manufacturing standards and is RoHS 3 (2015/863/EU) compliant under exemption 6(a). Dimensions include a width of 1/2" and height of 15/64", ensuring compatibility with standard industrial fasteners and tools.
