S-91271A679 7/16"-14 x 2 1/2" IFI 115 12-Point Screws

12-Point Screws

0806FA00053 12-Point Screws
0806FA00053 12-Point Screws

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

Part No.
Part No. 0806FA00053
Equivalent to mcmaster :
91271A679

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type 12-Point
Head Width 7/16"
Head Height 7/16"

Dimensions

Length 2 1/2"
Flange Diameter 21/32"

Thread Parameters

Thread Type UNC
Thread Size 7/16"-14
Thread Diameter 0.4375"
Thread Spacing Coarse
Min Thread Length 1 3/8"
Thread Direction Right Hand
Thread Fit Class 3A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style External 12-Point
Drive Size 7/16"

Material & Strength

Material Alloy Steel
Hardness Rockwell C37
Tensile Strength 170000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met IFI 115
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 load-bearing capacity with 170,000 psi tensile strength for reliable performance in high-stress applications.
  • Superior wear resistance due to Rockwell C37 hardness, extending service life in demanding environments.
  • Precise thread engagement with Class 3A fit ensuring secure, vibration-resistant connections.
  • Efficient installation and removal using the external 12-point drive, compatible with standard tools.
  • Enhanced stability and distribution from the flanged design, reducing surface pressure and loosening risks.
  • Robust material integrity from alloy steel construction, resisting corrosion and mechanical fatigue.
  • Compliance with industry standards including IFI 115, RoHS 3, and REACH for safe, regulated use.

Professional Applications & Engineering Value

This 12-point flange screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, automotive systems, and structural frameworks. Crafted from alloy steel, it delivers high tensile strength and hardness (Rockwell C37) to withstand extreme forces and repetitive stress without failure. The Class 3A thread fit and coarse UNC threading provide superior grip and resistance to vibration, minimizing maintenance needs. The external 12-point drive allows for quick, secure fastening in confined spaces, while the flanged feature enhances load distribution, preventing damage to connected materials. Ideal for applications demanding reliability and durability, this screw ensures long-term performance in harsh conditions.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNC coarse threading (7/16"-14) for efficient assembly. It meets IFI 115 specifications for quality assurance and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are upheld.

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