S-93306A921 1/2"-13 x 1 3/4" Aluminum Hex Head Screws

Aluminum Hex Head Screws

0253FA00057 Aluminum Hex Head Screws
0253FA00057 Aluminum Hex Head Screws

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

Part No.
Part No. 0253FA00057
Equivalent to mcmaster :
93306A921

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Length 1 3/4"

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

  • High strength-to-weight ratio from 2024 aluminum construction, providing robust performance without unnecessary bulk
  • Superior corrosion resistance inherent to aluminum alloy, ensuring long-term reliability in demanding environments
  • Exceptional tensile strength rated at 30,000 psi for reliable performance under significant mechanical stress
  • Precision Class 2A thread fit guarantees consistent engagement and secure fastening in industrial assemblies
  • Coarse UNC threading enables quick installation and reduced cross-threading risk in time-sensitive applications
  • Full-length threading provides maximum grip length and versatile positioning options
  • External hex drive design allows for high-torque application with standard wrench tools

Professional Applications & Engineering Value

These 2024 aluminum hex head screws deliver exceptional value in applications where weight reduction is critical without compromising structural integrity. The 1/2"-13 UNC coarse thread configuration provides excellent engagement in aluminum and soft material applications, while the Class 2A thread fit ensures consistent performance in high-vibration environments. The external hex drive accommodates standard industrial tools for efficient installation and maintenance. With 30,000 psi tensile strength and Rockwell B40 hardness, these fasteners withstand significant mechanical stress in aerospace, transportation, and machinery applications where aluminum's corrosion resistance and lightweight properties are essential.

Specification Summary & Compliance

This 1/2"-13 UNC hex head screw features precision Class 2A thread fit with coarse thread spacing, manufactured from 2024 aluminum with dimensions of 1 3/4" length, 3/4" head width, and 5/16" head height. The fastener meets industry standards for UNC thread specifications and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide.

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