S-94115A198 8-32 x 1/2" ASME B18.3 Set Screws

Set Screws

0646FA00017 Set Screws
0646FA00017 Set Screws

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

Part No.
Part No. 0646FA00017
Equivalent to mcmaster :
94115A198

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Soft
Tip Length 0.047"
Tip Diameter 0.094"
Tip Material Nylon 6/6 Plastic
Tip Color Green
Tip Temperature Range -50° to 250° F
Drive Style Hex
Drive Size 5/64"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C28

Temperature & Environment

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

  • Secure, Non-Marring Fastening: Green nylon 6/6 plastic tip prevents damage to components, ideal for precision assemblies.
  • Enhanced Corrosion Resistance: Black-oxide finish on alloy steel provides durable protection in demanding industrial environments.
  • Precise Thread Engagement: Class 3A thread fit ensures tight tolerances and reliable holding power for critical applications.
  • High-Temperature Performance: Nylon tip maintains integrity across a wide temperature range from -50° to 250°F.
  • Optimized Torque Application: 5/64" hex drive allows for easy installation with standard tools, reducing assembly time.
  • Industry Standard Compliance: Meets ASME B18.3 specifications, ensuring consistency and interchangeability in machinery.
  • Environmental Responsibility: RoHS 3 and REACH compliant, supporting sustainable manufacturing practices.

Professional Applications & Engineering Value

This 8-32 UNC set screw is engineered to address common industrial challenges such as component slippage and surface damage. The black-oxide alloy steel construction offers superior strength and corrosion resistance, while the green nylon 6/6 plastic tip provides a secure, non-marring grip that protects sensitive parts from scratches during tightening. With a coarse thread and Class 3A fit, it delivers exceptional vibration resistance and holding power in machinery, automotive, and electronics assemblies. The hex drive design ensures efficient installation in confined spaces, making it a reliable choice for high-stakes applications where precision and durability are paramount.

Specification Summary & Compliance

This set screw features a UNC thread with 8-32 size and Class 3A thread fit for precise dimensional accuracy. It complies with ASME B18.3 manufacturing standards and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations.

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