S-97646A257 3/8"-16 x 2" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00039 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00039 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00039
Equivalent to mcmaster :
97646A257

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 9/16"
Head Height 25/64"

Dimensions

Length 2"
Flange Diameter 13/16"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Min Thread Length 1"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially Threaded
Locking Type Serrations

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B100
Tensile Strength 100000 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

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
  • High tensile strength of 100,000 psi ensures reliable performance under heavy loads and stress
  • Enhanced vibration resistance from serrated locking flange, preventing loosening in dynamic applications
  • Easy installation and removal with external hex drive design for quick assembly with standard tools
  • Precise thread fit with Class 2A UNC coarse threads, providing consistent engagement and reduced cross-threading risk
  • Versatile partial threading allows for flexibility in clamping and alignment across various materials
  • Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address critical challenges in industrial settings, such as equipment vibration and corrosion. Made from 18-8 Stainless Steel, it offers excellent durability against moisture and chemicals, reducing maintenance costs. The serrated locking flange and coarse thread design enhance grip and stability, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is paramount. Its partial threading and external hex drive simplify installation in tight spaces, while the high tensile strength supports demanding applications without failure.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNC coarse threads for precise tolerance, a length of 2", and partial threading. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity in industrial use.

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