S-92994A009 8-32 Cap Nuts

Cap Nuts

0998FA00003 Cap Nuts
0998FA00003 Cap Nuts

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

Part No.
Part No. 0998FA00003
Equivalent to mcmaster :
92994A009

Basic Information

System of Measurement Inch
Nut Type Cap, Hex

Dimension Parameters

Width 5/16"
Height 11/32"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B
Thread Depth 5/32"

Head Parameters

Drive Style External Hex
Cap Nut Profile Standard

Material & Strength Parameters

Material 316 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 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 with 316 stainless steel construction, ideal for harsh environments including marine and chemical processing.
  • Reliable, secure fastening ensured by the Class 2B thread fit, providing consistent engagement and reducing the risk of cross-threading.
  • Robust external hex drive allows for high-torque application with standard wrenches, facilitating quick and easy installation.
  • Durable coarse (UNC) threads offer excellent performance in applications with vibration and are less prone to clogging with debris.
  • Full compliance with RoHS 3 and REACH regulations, ensuring safety and environmental responsibility for global industrial supply chains.
  • Standard cap nut profile provides a finished appearance and protects internal threads from damage and contamination.
  • Precise 5/16" width and 11/32" height delivers a compact yet strong design for space-constrained assemblies.

Professional Applications & Engineering Value

This 8-32 UNC cap nut in 316 stainless steel is engineered to solve critical challenges in demanding industrial applications. Its exceptional corrosion resistance makes it a top choice for marine equipment, food processing machinery, and chemical plants where exposure to moisture and aggressive substances is a constant concern. The coarse thread design and Class 2B thread fit ensure reliable performance in high-vibration environments, preventing loosening and maintaining joint integrity. The combination of a standard external hex drive and a protective cap profile streamlines maintenance and assembly, while the robust material guarantees long-term durability and reduces the total cost of ownership by minimizing replacement frequency.

Specification Summary & Compliance

This cap nut conforms to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. Key specifications include an 8-32 thread size, a width of 5/16", and a height of 11/32". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to strict environmental and safety standards for industrial components.

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