S-91223A325 10-24 x 3/8" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00039 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00039 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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Part No.
Part No. 0031FA00039
Equivalent to mcmaster :
91223A325

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 13/32"
Head Diameter Tolerance -0.005" to 0.005"
Head Height 1/16"
Socket Head Profile Ultra-Low

Dimensions

Length 3/8"
Shoulder Diameter 1/4"
Shoulder Length 1/16"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
  • Exceptional mechanical strength with a 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
  • Precise and secure fastening ensured by the Class 2A thread fit and 10-24 UNC coarse threads for easy assembly and vibration resistance.
  • Space-saving design with an ultra-low socket head profile, allowing installation in confined or flush-mount applications.
  • Durable and reliable drive featuring a 3/32" hex socket that resists cam-out and provides high torque transfer.
  • Full thread engagement along the 3/8" length for maximum grip and load distribution in connected materials.
  • Compliance with global standards, being RoHS 3 and REACH compliant for use in regulated and environmentally conscious industries.

Professional Applications & Engineering Value

This 316 Stainless Steel socket head cap screw is engineered to address critical challenges in industrial and precision engineering applications. Its corrosion-resistant material makes it suitable for marine, chemical, and food processing environments where moisture and chemicals are prevalent. The ultra-low profile head and 10-24 UNC coarse threads with a Class 2A fit provide reliable fastening in tight spaces, reducing the risk of loosening under vibration. With a 70,000 psi tensile strength, it ensures structural integrity in high-stress assemblies, from machinery and automotive components to electronic enclosures, offering durability and long-term performance without frequent maintenance.

Specification Summary & Compliance

This screw features a 10-24 UNC thread with Class 2A dimensional tolerance for precise fit, a 3/32" hex drive, and a 3/8" length with fully threaded design. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.

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