S-94895A982 2"-12 Hex Nuts

Hex Nuts

0868FA00128 Hex Nuts
0868FA00128 Hex Nuts

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

Part No.
Part No. 0868FA00128
Equivalent to mcmaster :
94895A982

Basic Information

System of Measurement Inch
Nut Type Hex

Dimension Parameters

Width 3"
Height 1 23/32"

Thread Parameters

Thread Type UN
Thread Size 2"-12
Thread Direction Right Hand
Thread Spacing Extra Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Black-Oxide 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 tensile strength with Grade 8 classification, ensuring reliable performance under high-stress conditions and reducing the risk of fastener failure.
  • Superior corrosion resistance from the black-oxide steel finish, extending service life in harsh industrial environments and minimizing maintenance needs.
  • Precise thread engagement with 2"-12 extra fine thread and Class 2B fit, providing secure, vibration-resistant connections in critical assemblies.
  • Broad compatibility due to UN thread type and standard hex profile, allowing easy integration with existing inch-system components and tools.
  • Heavy-duty construction featuring a 3" width and 1 23/32" height, offering robust load distribution and stability in demanding applications.
  • Regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety and meeting global supply chain requirements.
  • Right-hand thread design for straightforward installation and removal, streamlining assembly processes and reducing labor time.

Professional Applications & Engineering Value

This Grade 8 black-oxide steel hex nut is engineered to address common industrial challenges such as vibration loosening and environmental degradation. The extra fine thread (2"-12) with Class 2B fit ensures tight tolerances and enhanced grip strength, making it ideal for heavy machinery, structural frameworks, and high-vibration environments where secure fastening is critical. The black-oxide coating provides a durable barrier against moisture and chemicals, reducing corrosion-related failures and extending the lifespan of assemblies in sectors like construction, automotive, and manufacturing. By combining UN thread standards with superior material properties, this nut delivers consistent performance, minimizes downtime, and supports efficient maintenance cycles in industrial fastener systems.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including Class 2B thread fit for accurate engagement and UN thread type with extra fine spacing (2"-12). Manufactured from high-strength steel with a black-oxide finish, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety conformity. The product meets Grade 8 strength requirements, guaranteeing reliability in demanding applications under specified torque and load conditions.

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