S-90242A633 9/16"-12 Hex Nuts

Hex Nuts

0888FA00021 Hex Nuts
0888FA00021 Hex Nuts

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

Part No.
Part No. 0888FA00021
Equivalent to mcmaster :
90242A633

Basic Information

System of Measurement Inch
Nut Type Hex

Dimension Parameters

Width 7/8"
Height 31/64"

Thread Parameters

Thread Type UNC
Thread Size 9/16"-12
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Black-Oxide 316 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2023, 233 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

  • Superior corrosion resistance from Black-Oxide 316 Stainless Steel, ideal for harsh industrial environments and outdoor applications.
  • Reliable, coarse thread design (9/16"-12 UNC) ensures faster assembly and reduced cross-threading risk in high-vibration settings.
  • Precise Class 2B thread fit guarantees smooth engagement with mating bolts, minimizing play and enhancing joint integrity.
  • Standard external hex profile allows for easy installation and removal with common wrenches, speeding up maintenance workflows.
  • Heavy-duty construction (7/8" width, 31/64" height) provides a robust bearing surface, distributing clamp load evenly for long-term fastening security.
  • Full RoHS 3 & REACH compliance ensures environmental safety and global regulatory acceptance for your supply chain.
  • Right-hand thread direction offers compatibility with standard industrial equipment, simplifying inventory and replacement processes.

Professional Applications & Engineering Value

This 9/16"-12 UNC hex nut in Black-Oxide 316 Stainless Steel is engineered to address critical challenges in demanding sectors like chemical processing, marine, and construction. The coarse thread and Class 2B fit prevent seizing under dynamic loads, while the black-oxide finish enhances surface durability and provides an extra layer of protection against chlorides and acidic exposure. Its standard external hex drive ensures compatibility with torque tools, reducing installation time and labor costs. Ideal for structural frameworks, machinery assembly, and pipeline systems, this nut delivers consistent performance where corrosion resistance and thread reliability are non-negotiable.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. Manufactured from 316 stainless steel with a black-oxide coating, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from restricted substances. Dimensions include a 7/8" width and 31/64" height, conforming to inch system specifications for seamless integration with industrial fastening components.

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