S-91205A238 10-24 x 1/4" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws

Alloy Steel Thread-Locking Socket Head Screws

0038FA00041 Alloy Steel Thread-Locking Socket Head Screws
0038FA00041 Alloy Steel Thread-Locking Socket Head Screws

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

Part No.
Part No. 0038FA00041
Equivalent to mcmaster :
91205A238

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 5/16"
Head Height 0.19"
Socket Head Profile Standard

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/32"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C37
Tensile Strength 170000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, ASTM A574
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Secure vibration-resistant fastening with integrated nylon patch thread locker that maintains integrity across a wide temperature range from -70° to 250°F
  • Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications
  • Precise Class 3A thread fit provides superior engagement and consistent clamping force in demanding environments
  • Durable black-oxide coating on alloy steel construction offers excellent corrosion resistance and extended service life
  • Optimized hex drive design with 5/32" drive size enables efficient installation and high torque transmission
  • Full threading capability allows for maximum adjustability and uniform load distribution along the entire fastener length
  • Rockwell C37 hardness ensures superior wear resistance and maintains thread integrity through repeated use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-24 UNC thread socket head cap screws solve critical fastening challenges where vibration resistance and high tensile strength are paramount. The black-oxide alloy steel construction combined with the nylon patch thread locker creates a reliable solution for machinery, automotive components, and precision equipment that operates under thermal cycling conditions. The coarse thread design ensures quick assembly and superior holding power in various materials, while the Class 3A thread fit guarantees precise engagement and consistent performance in critical joints. These screws are particularly valuable in applications requiring repeated disassembly and reassembly, where thread integrity and locking performance must be maintained throughout the product lifecycle.

Specification Summary & Compliance

These socket head cap screws feature Class 3A thread tolerance with UNC coarse thread specification (10-24) and are manufactured to ASME B18.3 standards using ASTM A574 material specifications. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest industry requirements for hazardous substance restrictions and chemical safety standards.

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