S-92505A594 5/16"-24 x 3/8" ASME B18.3, ASTM F912 Set Screws

Set Screws

0657FA00041 Set Screws
0657FA00041 Set Screws

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

Part No.
Part No. 0657FA00041
Equivalent to mcmaster :
92505A594

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNF
Thread Size 5/16"-24
Thread Diameter 0.313"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.082"
Tip Length Tolerance -0.005" to 0"
Tip Diameter 0.203"
Tip Diameter Tolerance -0.008" to 0"
Drive Style Hex
Drive Size 5/32"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, ASTM F912
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced corrosion resistance with black oxide finish, ideal for demanding industrial environments.
  • Superior holding power due to Class 3A thread fit, ensuring tight, secure fastening with minimal backlash.
  • Extended tip design provides deeper engagement and improved resistance to loosening under vibration.
  • High-strength alloy steel hardened to Rockwell C45 offers excellent durability and wear resistance.
  • 5/32" hex drive allows for easy installation and removal with standard tools, reducing assembly time.
  • Compliance with ASME B18.3, RoHS 3, and REACH ensures reliability and environmental safety in global applications.
  • Fine UNF threads deliver precise adjustments and better load distribution in critical assemblies.

Professional Applications & Engineering Value

This Black Oxide Alloy Steel Set Screw is engineered to address common challenges in industrial settings, such as vibration-induced loosening and corrosion. The extended tip and Class 3A UNF fine threads provide superior grip and alignment in precision machinery, automotive components, and heavy-duty equipment. Made from hardened alloy steel with a black oxide surface treatment, it resists rust and wear, extending service life in harsh conditions. Its headless design and 5/32" hex drive facilitate flush mounting and easy access in confined spaces, making it a reliable choice for engineers seeking durable, compliant fasteners that meet ASME B18.3 standards and environmental regulations like RoHS and REACH.

Specification Summary & Compliance

This set screw features precise dimensions including a 5/16"-24 UNF thread with Class 3A fit for tight tolerances, a length of 3/8", and an extended tip with specified diameter and length tolerances. It complies with ASME B18.3 manufacturing specifications and is verified to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, ensuring safety and environmental adherence in industrial applications.

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