S-97646A233 8-32 x 3/8" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00015 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00015 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00015
Equivalent to mcmaster :
97646A233

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 7/64"

Dimensions

Length 3/8"
Flange Diameter 11/32"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
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

  • Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Superior load-bearing capability with 100,000 psi tensile strength for heavy-duty fastening applications
  • Enhanced stability and vibration resistance from the integrated flange design, eliminating the need for separate washers
  • Reliable thread engagement with UNC coarse threading and Class 2A fit for quick assembly and consistent performance
  • Optimized torque transmission through the external hex drive design, preventing stripping during installation
  • Full-length threading ensures maximum grip and uniform stress distribution along the entire fastener length
  • Compliance with environmental regulations including RoHS 3 and REACH, meeting global manufacturing standards

Professional Applications & Engineering Value

This 8-32 UNC hex head screw in 18-8 stainless steel delivers critical engineering advantages for industrial assembly. The flange design provides built-in washer functionality, distributing clamp load over a wider surface area to prevent material damage and maintain joint integrity under vibration. With coarse UNC threading and Class 2A thread fit, it offers rapid installation in various materials while maintaining precise tolerances. The external hex drive enables high-torque application without cam-out, making it ideal for machinery, electrical enclosures, and automotive components where 100,000 psi tensile strength and Rockwell B100 hardness ensure long-term reliability in demanding conditions.

Specification Summary & Compliance

This fastener features 8-32 UNC coarse threading with Class 2A thread fit for consistent dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The fully threaded design and right-hand thread direction provide standardized installation across industrial applications.

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