S-97646A238 10-24 x 1" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00020 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00020 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00020
Equivalent to mcmaster :
97646A238

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

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

Dimensions

Length 1"
Flange Diameter 7/16"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
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 corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
  • Exceptional holding power from 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
  • Vibration-resistant locking through serrated flange design that prevents loosening under dynamic loads
  • Quick installation and removal with external hex drive and 5/16" head width for standard tool compatibility
  • Reliable thread engagement with full UNC coarse threading and Class 2A fit for consistent performance
  • Enhanced load distribution from 7/16" flange diameter that reduces surface pressure
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for global industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-24 UNC hex head screws deliver critical performance advantages where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel construction provides excellent durability in corrosive environments, while the serrated locking flange creates permanent bite into mating surfaces, eliminating the need for additional locking components. The combination of external hex drive and coarse UNC threading ensures rapid installation in production environments, with the fully threaded design maximizing engagement in various material thicknesses. These flanged hex screws are particularly valuable in machinery assembly, electrical enclosures, and transportation equipment where vibration-induced loosening can compromise system integrity.

Specification Summary & Compliance

This 10-24 UNC hex head screw features precision Class 2A thread fit with coarse thread spacing for reliable engagement. Manufacturing specifications include 1" length, 5/16" head width, and 7/16" flange diameter. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility while maintaining 100,000 psi tensile strength and Rockwell B100 hardness for consistent mechanical performance across industrial applications.

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