S-97646A243 10-32 x 3/4" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00025 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00025 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00025
Equivalent to mcmaster :
97646A243

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

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

Dimensions

Length 3/4"
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 corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
  • Exceptional holding power with 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
  • Enhanced vibration resistance through serrated locking flange design that prevents loosening under dynamic loads
  • Precise thread engagement with Class 2A UNF fine threading ensuring reliable fastening in critical assemblies
  • Easy installation and removal with standard external hex drive design compatible with common tools
  • Increased bearing surface from the flanged design that distributes load and protects mounted surfaces
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This 10-32 UNF fine thread hex head screw delivers exceptional engineering value across industrial applications where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides excellent durability in demanding environments, while the serrated locking flange effectively prevents loosening in machinery, automotive components, and electronic enclosures subject to constant movement. The fully threaded design ensures maximum grip length, and the external hex drive allows for high-torque installation with standard tools. Particularly valuable in assembly lines requiring fine thread precision, this screw maintains integrity in applications from precision instruments to heavy equipment where 100,000 psi tensile strength is essential for structural reliability.

Specification Summary & Compliance

This hex head screw features precision 10-32 UNF fine threading with Class 2A thread fit tolerance for consistent engagement. Manufacturing adheres to standard inch system specifications with 3/4" length and 7/16" flange diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial and commercial applications worldwide.

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