S-97646A244 10-32 x 1" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00026 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00026 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00026
Equivalent to mcmaster :
97646A244

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 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

  • Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Superior tensile strength rated at 100,000 psi ensures reliable performance under high-stress applications
  • Precise Class 2A thread fit provides consistent engagement and reduces cross-threading risks
  • Integrated flange and serrations create secure locking without requiring additional washers
  • External hex drive design enables high-torque installation with standard tools
  • Full threading along 1" length maximizes grip range and holding power
  • Compliance with RoHS 3 and REACH meets international environmental and safety standards

Professional Applications & Engineering Value

These 10-32 UNF fine thread hex head screws deliver critical performance advantages in demanding applications where vibration resistance and material integrity are paramount. The 18-8 stainless steel composition provides excellent corrosion resistance for outdoor equipment, marine components, and food processing machinery. The combination of external hex drive and flanged design with serrations creates a self-locking mechanism that maintains clamp load in high-vibration environments, eliminating the need for separate lock washers. The fine UNF thread profile offers superior adjustment precision compared to coarse threads, making these screws ideal for precision assemblies, electronic enclosures, and machinery where minute adjustments are critical. With 100,000 psi tensile strength and Rockwell B100 hardness, these fasteners withstand substantial mechanical stress while maintaining their structural integrity through repeated installation cycles.

Specification Summary & Compliance

This hex head screw features precise 10-32 UNF fine threads with Class 2A thread fit tolerance ensuring consistent mating with corresponding nuts and threaded holes. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances. The fully threaded design with right-hand thread direction provides maximum engagement length, while the 7/16" flange diameter offers enhanced bearing surface. These specifications ensure reliable performance in industrial applications requiring strict adherence to material and dimensional standards.

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