S-94495A210 6-32 x 3/8" ASME B18.3, ASTM F912 Set Screws

Set Screws

0643FA00005 Set Screws
0643FA00005 Set Screws

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

Part No.
Part No. 0643FA00005
Equivalent to mcmaster :
94495A210

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Tip Type Flat
Drive Style Hex
Drive Size 1/16"

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

  • Permanent vibration resistance with integrated Nylon Patch thread locker that maintains locking integrity from -70° to 250°F
  • Superior corrosion protection through Black-Oxide surface treatment on alloy steel for extended service life in harsh environments
  • Maximum thread engagement achieved through Class 3A thread fit precision, ensuring reliable fastening in critical applications
  • High-strength performance with Rockwell C45 hardness alloy steel construction that withstands heavy mechanical loads
  • Secure flush mounting enabled by headless design and flat tip for seamless integration where protruding fasteners aren't feasible
  • Industry-standard compatibility with UNC coarse 6-32 threading that matches common industrial components and equipment
  • Easy installation and removal using standard 1/16" hex tools while maintaining permanent locking capability

Professional Applications & Engineering Value

This hex headless set screw delivers critical engineering solutions where permanent positioning and vibration resistance are paramount. The Black-Oxide Alloy Steel construction combined with Rockwell C45 hardness provides exceptional durability against wear and deformation in high-stress applications. The integrated Nylon Patch thread locker eliminates the need for secondary locking compounds, creating a permanent bond that withstands temperature fluctuations from -70° to 250°F. The UNC coarse thread design ensures rapid installation and maximum holding power in pulleys, gears, and collars, while the headless configuration allows for flush mounting in space-constrained assemblies. These features make it ideal for precision machinery, automotive components, and industrial equipment where vibration-induced loosening would compromise system integrity and safety.

Specification Summary & Compliance

Manufactured to exacting Class 3A thread fit tolerances for superior engagement and consistent performance. Complies with ASME B18.3 specifications (ASTM F912) for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features 6-32 UNC coarse threads with right-hand direction and flat tip configuration. Includes 1/16" hex drive for standard tool compatibility across industrial maintenance and manufacturing applications.

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