S-91251A253 10-24 x 2" ASTM A574 Alloy Steel Socket Head Screws

Alloy Steel Socket Head Screws

0009FA00812 Alloy Steel Socket Head Screws
0009FA00812 Alloy Steel Socket Head Screws

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Part No.
Part No. 0009FA00812
Equivalent to mcmaster :
91251A253

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 2"

Thread Parameters

Thread Type UNRC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Min Thread Length 7/8"
Thread Direction Right Hand
Thread Fit Class 3A
Threading Partially Threaded

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 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

  • Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
  • Black-oxide finish on alloy steel provides enhanced corrosion resistance, extending service life in demanding industrial environments.
  • Class 3A thread fit offers precise, tight-tolerance threading for secure fastening and vibration resistance.
  • Partially threaded design allows for controlled clamping force and easy alignment in assembly operations.
  • Hex socket drive (5/32") enables high-torque installation with standard tools, minimizing stripping and improving efficiency.
  • Rockwell C37 hardness ensures durability and wear resistance, maintaining integrity under repeated use.
  • Coarse UNRC threads facilitate quick assembly and disassembly, saving time in maintenance and production cycles.

Professional Applications & Engineering Value

This 10-24 socket head cap screw is engineered with black-oxide alloy steel to address common industrial challenges like corrosion and mechanical stress. The high tensile strength and Class 3A thread fit provide secure, vibration-resistant connections in heavy machinery, automotive assemblies, and precision equipment. Its partially threaded rod type allows for optimal load distribution, reducing the risk of loosening in dynamic applications. Ideal for industrial fasteners in harsh environments, this screw’s coarse UNRC threads ensure quick installation, enhancing productivity while meeting rigorous performance standards.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNRC coarse threads. It meets ASTM A574 specifications for high-strength socket head cap screws, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmental and safety requirements in global supply chains.

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