S-95235A517 10-24 x 3/8" ASME B18.3, ASTM F912 Set Screws

Set Screws

0666FA00007 Set Screws
0666FA00007 Set Screws

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

Part No.
Part No. 0666FA00007
Equivalent to mcmaster :
95235A517

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
External Thread Fit Class 3A
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Maximum Temperature 250°F
Thread Locker Min Temperature Not Rated

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.049"
Tip Length Tolerance -0.008" to 0"
Tip Diameter 0.127"
Tip Diameter Tolerance -0.007" to 0"
Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 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
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Key Features & Benefits at a Glance

  • Vibration-resistant locking with permanent Nylon patch thread locker prevents loosening in high-stress applications
  • Superior thread engagement through Class 3A external thread fit ensures precise mating with tapped holes
  • Exceptional durability with Rockwell C45 hardness alloy steel construction withstands heavy mechanical loads
  • High-temperature performance maintains locking integrity up to 250°F (121°C) in demanding environments
  • Secure installation using standard 3/32" hex drive tools with headless design for flush mounting
  • Enhanced grip capability from extended tip design provides superior holding power in rotating components
  • Industry compliance assurance meeting ASME B18.3 specifications for reliable performance standards

Professional Applications & Engineering Value

This 10-24 UNC alloy steel set screw delivers critical vibration resistance in industrial machinery, automotive assemblies, and precision equipment where permanent fastening solutions are essential. The Nylon patch thread locker technology eliminates the need for secondary locking mechanisms, reducing assembly time while providing reliable vibration-resistant performance in rotating shafts, gears, and collars. The coarse thread spacing and Class 3A external thread fit ensure quick installation and superior holding power in high-stress applications, while the extended tip design concentrates pressure for maximum grip on mating surfaces. Engineered for industrial set screw applications requiring consistent performance under mechanical stress and temperature variations up to 250°F.

Specification Summary & Compliance

This headless hex drive set screw features precision 10-24 UNC coarse threads with Class 3A external thread fit for superior dimensional accuracy. Manufactured from alloy steel with Rockwell C45 hardness and Nylon patch thread locker technology. The 3/8" length screw with extended tip (0.127" diameter) meets ASME B18.3 manufacturing specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.

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