S-93306A919 1/2"-13 x 1 1/4" Aluminum Hex Head Screws

Aluminum Hex Head Screws

0253FA00056 Aluminum Hex Head Screws
0253FA00056 Aluminum Hex Head Screws

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

Part No.
Part No. 0253FA00056
Equivalent to mcmaster :
93306A919

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/4"
Head Height 5/16"

Dimensions

Length 1 1/4"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Thread Diameter 0.5"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 2024 Aluminum
Hardness Rockwell B40
Tensile Strength 30000 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

  • Exceptional strength-to-weight ratio from 2024 aluminum construction, providing reliable performance while reducing overall assembly weight
  • Superior corrosion resistance inherent in aluminum alloy, ensuring long-term durability in various industrial environments
  • High tensile strength of 30,000 psi delivers reliable clamping force for demanding applications
  • Class 2A thread fit ensures easy assembly while maintaining secure fastening integrity
  • External hex drive design with 3/4" head width provides excellent torque transmission and tool accessibility
  • Fully threaded construction offers maximum engagement length and consistent holding power along the entire fastener
  • Environmental compliance with RoHS 3 and REACH regulations for safe, sustainable manufacturing

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 1/2"-13 UNC hex head screws manufactured from 2024 aluminum provide an optimal balance of strength and weight savings. The coarse thread pattern and Class 2A thread fit ensure rapid installation and reliable performance in vibration-prone environments. With Rockwell B40 hardness and 30,000 psi tensile strength, these fully threaded fasteners maintain structural integrity under significant mechanical stress. The external hex drive configuration allows for high-torque applications while the right-hand thread direction provides standard installation compatibility. Ideal for aerospace, automotive, and machinery assemblies where weight reduction without compromising strength is critical.

Specification Summary & Compliance

This 1/2"-13 UNC hex head screw features precise Class 2A thread fit tolerances per Unified Thread Standard specifications. The fastener maintains dimensional accuracy with 1-1/4" length and coarse thread spacing for optimal performance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. The fully threaded design and external hex drive configuration meet industry standards for reliable fastening solutions in critical applications.

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