S-93827A249 1/2"-20 Hex Nuts

Hex Nuts

0868FA00043 Hex Nuts
0868FA00043 Hex Nuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 0868FA00043
Equivalent to mcmaster :
93827A249

Basic Information

System of Measurement Inch
Nut Type Hex

Dimension Parameters

Width 3/4"
Height 7/16"

Thread Parameters

Thread Type UNF
Thread Size 1/2"-20
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Zinc-Flake-Coated Steel
Fastener Strength Grade/Class Grade 8

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional durability and load-bearing capacity with Grade 8 strength rating, ideal for high-stress industrial applications.
  • Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh environments.
  • Precise and reliable fastening with Class 2B thread fit, ensuring secure connections and reducing assembly errors.
  • Fine threading (1/2"-20 UNF) offers enhanced vibration resistance and better torque control in critical assemblies.
  • Standard external hex drive design allows for easy installation and removal using common tools, improving workflow efficiency.
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards.
  • Right-hand thread direction provides compatibility with standard equipment, simplifying procurement and replacement.

Professional Applications & Engineering Value

This Grade 8 high-strength hex nut is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. Made from zinc-flake-coated steel, it provides long-lasting protection against rust and chemical exposure, making it suitable for heavy machinery, automotive systems, and construction equipment. The 1/2"-20 UNF fine thread and Class 2B fit ensure tight, secure fastening in high-vibration environments, reducing maintenance needs and downtime. Its external hex drive facilitates quick installation, enhancing productivity in assembly lines and field service applications where reliability is critical.

Specification Summary & Compliance

This hex nut features a 1/2"-20 UNF fine thread with Class 2B thread fit for precise dimensional accuracy, adhering to standard inch system measurements. It is manufactured from high-grade steel and coated with zinc-flake for enhanced performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use. Dimensions include a width of 3/4" and height of 7/16", supporting consistent quality in demanding applications.

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