S-94288A312 3/8"-16 x 3/4" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Extreme-Strength Stainless Steel Flanged Hex Head Screws

0273FA00012 Extreme-Strength Stainless Steel Flanged Hex Head Screws
0273FA00012 Extreme-Strength Stainless Steel Flanged Hex Head Screws

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

Part No.
Part No. 0273FA00012
Equivalent to mcmaster :
94288A312

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 7/16"
Head Height 23/64"

Dimensions

Length 3/4"
Flange Diameter 45/64"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell C38
Tensile Strength 170000 psi
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 corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing maintenance costs.
  • Superior load-bearing capacity thanks to 170,000 psi tensile strength, ensuring reliable performance under high-stress conditions.
  • Enhanced durability and wear resistance from Rockwell C38 hardness, extending service life in demanding applications.
  • Efficient installation and removal with external hex drive and coarse UNC threading, allowing for quick assembly and disassembly.
  • Secure and stable fastening provided by the integrated flange, distributing load evenly and preventing loosening under vibration.
  • Precise thread fit with Class 2A tolerance, ensuring consistent engagement and reducing the risk of cross-threading.
  • Full threading coverage along the 3/4" length, offering maximum grip and versatility in various material thicknesses.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw in 18-8 stainless steel is engineered to address common industrial challenges, such as corrosion in humid or chemical-exposed settings and high mechanical stress in heavy machinery. The coarse thread design ensures quick and secure fastening in soft materials or where vibration resistance is critical, while the flanged head eliminates the need for separate washers, simplifying assembly and reducing part counts. With a fully threaded shank and Class 2A fit, it provides reliable performance in construction, automotive, and manufacturing applications, minimizing downtime and enhancing operational efficiency. Its high tensile strength and hardness make it a go-to choice for industrial fasteners that demand long-term reliability.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy, ensuring compatibility with standard nuts and components. Manufactured from 18-8 stainless steel, it meets common industry specifications for corrosion resistance and mechanical properties. The product complies with relevant standards for inch fasteners and is suitable for applications requiring consistent performance. While specific certifications like RoHS or REACH are not detailed, it is designed for use in various industrial sectors where quality and reliability are paramount.

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