S-93306A911 1/4"-20 x 1 3/4" Aluminum Hex Head Screws

Aluminum Hex Head Screws

0253FA00048 Aluminum Hex Head Screws
0253FA00048 Aluminum Hex Head Screws

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

Part No.
Part No. 0253FA00048
Equivalent to mcmaster :
93306A911

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 7/16"
Head Height 5/32"

Dimensions

Length 1 3/4"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
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

  • Lightweight durability with 2024 aluminum construction, ideal for weight-sensitive applications without sacrificing performance
  • High tensile strength rated at 30,000 psi ensures reliable fastening under mechanical stress
  • Corrosion-resistant material provides extended service life in demanding industrial environments
  • Precision Class 2A thread fit guarantees smooth assembly and consistent engagement with mating components
  • External hex drive design enables high-torque installation using standard tools for efficient maintenance
  • Full threading along 1 3/4" length offers maximum adjustability and grip range in various material thicknesses
  • Regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance

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 UNC coarse thread configuration with Class 2A fit provides rapid installation and reliable performance in aluminum assemblies, electronic enclosures, and transportation equipment. With Rockwell B40 hardness and 30,000 psi tensile strength, these fully threaded screws maintain clamping force in vibrating environments. The external hex drive accommodates high torque applications while the right-hand thread direction ensures standard installation procedures. Ideal for aerospace components, marine hardware, and industrial machinery where corrosion-resistant fasteners with precise dimensional control are required.

Specification Summary & Compliance

Manufactured to inch system specifications with 1/4"-20 UNC coarse threads maintaining Class 2A thread fit tolerances for consistent mating performance. The fully threaded design across the 1 3/4" length provides uniform engagement. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restriction of hazardous substances. Mechanical properties include Rockwell B40 hardness and 30,000 psi tensile strength verified to industry standards.

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