S-97646A337 M8 x 50 mm 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00080 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00080 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00080
Equivalent to mcmaster :
97646A337

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 13 mm
Head Height 8.1 mm

Dimensions

Length 50 mm
Flange Diameter 18 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
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
  • Excellent vibration resistance due to serrated locking flange that prevents loosening under dynamic loads
  • High tensile strength of 100,000 psi ensures reliable performance in demanding applications
  • Precision Class 6g threading provides consistent fit and easy assembly with standard metric nuts
  • External hex drive design allows for high torque application with common tools
  • Fully threaded construction offers maximum grip length and uniform load distribution
  • Environmental compliance with RoHS 3 and REACH regulations for safe industrial use

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M8 flanged hex head screws deliver exceptional performance where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides excellent durability in challenging environments, while the serrated locking flange creates a secure, vibration-resistant joint without requiring additional locking components. The Class 6g coarse threading ensures reliable engagement and disassembly, making these metric hex head screws ideal for machinery, equipment assembly, and structural applications where maintenance accessibility is important. The combination of 100,000 psi tensile strength and Rockwell B100 hardness guarantees long-term reliability in high-stress installations.

Specification Summary & Compliance

This M8 x 1.25mm coarse thread screw features precision Class 6g thread fit according to metric standards, with a 50mm length and 18mm flange diameter. Manufactured from 18-8 stainless steel with Rockwell B100 hardness and 100,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.

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