S-92949A152 6-32 x 7/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Stainless Steel Button Head Hex-Drive Screws

0076FA00039 Stainless Steel Button Head Hex-Drive Screws
0076FA00039 Stainless Steel Button Head Hex-Drive Screws

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

Part No.
Part No. 0076FA00039
Equivalent to mcmaster :
92949A152

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.262"
Head Height 0.073"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 7/8"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/64"

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
  • Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, heavy-duty fastening.
  • Precise, secure thread engagement with Class 3A fit and UNC coarse thread spacing, reducing cross-threading and ensuring consistent performance.
  • Efficient installation and removal via the 5/64" hex drive, providing a secure grip and minimizing tool slippage.
  • Full-threaded design for maximum grip length and uniform stress distribution along the entire 7/8" length.
  • Rounded (button) head profile that offers a low-profile, finished appearance while reducing snagging risks.
  • Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance.

Professional Applications & Engineering Value

This 6-32 UNC screw is engineered to address critical fastening challenges in demanding sectors such as machinery assembly, electronics enclosures, and automotive components. The 18-8 stainless steel material, enhanced by a passivated finish, provides long-term resistance to oxidation and chemical exposure, reducing maintenance needs. Its coarse thread spacing and Class 3A thread fit enable quick assembly with high vibration resistance, minimizing loosening in dynamic applications. The rounded head and hex drive design ensure easy access in confined spaces while maintaining a sleek, professional finish. Ideal for OEMs and MRO professionals, this screw delivers durability and precision where reliability is non-negotiable.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with precise Class 3A thread fit and UNC coarse threading for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. The product meets all stated mechanical properties, including tensile strength and hardness, as per industrial standards for quality assurance.

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