S-97646A240 10-32 x 3/8" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00022 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00022 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00022
Equivalent to mcmaster :
97646A240

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

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

Dimensions

Length 3/8"
Flange Diameter 7/16"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully 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 vibration resistance through serrated flange design that prevents loosening under dynamic loads
  • Exceptional corrosion resistance with 18-8 stainless steel construction for harsh industrial environments
  • High tensile strength of 100,000 psi ensures reliable performance in demanding applications
  • Precise Class 2A thread fit provides consistent engagement and installation reliability
  • External hex drive compatibility allows for standard tooling and efficient installation
  • Fully threaded design offers maximum grip length and uniform load distribution
  • Environmental compliance with RoHS 3 and REACH regulations for global manufacturing applications

Professional Applications & Engineering Value

This 10-32 UNF hex head screw delivers critical engineering solutions where vibration resistance and material integrity are paramount. The serrated locking flange creates permanent friction against mating surfaces, eliminating the need for additional locking components in machinery, automotive assemblies, and electrical enclosures. Manufactured from 18-8 stainless steel with Rockwell B100 hardness, these flanged screws maintain structural integrity in corrosive environments while providing 100,000 psi tensile strength for high-stress applications. The fine UNF threading and Class 2A fit ensure precise engagement in thin materials and delicate assemblies, making them ideal for aerospace components, industrial equipment, and precision instrumentation where reliability cannot be compromised.

Specification Summary & Compliance

This 10-32 UNF hex head screw features precise Class 2A thread fit with fine thread spacing, manufactured to standard UNF specifications. The fastener measures 3/8" in length with 7/16" flange diameter and external hex drive compatibility. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring restricted substance control.

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