S-97646A326 M6 x 40 mm 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00070 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00070 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00070
Equivalent to mcmaster :
97646A326

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 10 mm
Head Height 6.6 mm

Dimensions

Length 40 mm
Flange Diameter 14.2 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 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

  • Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
  • Superior holding power from 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
  • Reliable vibration resistance through serrated locking under the flange, preventing loosening under dynamic loads
  • Enhanced load distribution with integrated 14.2 mm flange, reducing surface pressure and material stress
  • Precise thread engagement with Class 6g metric thread fit, ensuring consistent installation and optimal clamping force
  • Full thread availability across the entire 40 mm length for maximum adjustability and grip in various material thicknesses
  • Compliance with environmental regulations including RoHS 3 and REACH, meeting global industrial standards

Professional Applications & Engineering Value

This M6 hex head screw delivers critical performance in industrial fastening where vibration resistance and corrosion protection are paramount. The 18-8 Stainless Steel material provides excellent durability against moisture, chemicals, and outdoor exposure, while the serrated locking feature under the flange effectively counters loosening in machinery, automotive assemblies, and structural frameworks. The fully threaded M6 x 1 mm coarse thread design with Class 6g precision ensures rapid installation and reliable load-bearing capacity, making it a preferred choice for heavy-duty applications requiring consistent, secure connections in challenging operational conditions.

Specification Summary & Compliance

This metric hex head screw features M6 x 1 mm coarse threads with Class 6g thread fit tolerance, a 40 mm length, and a 14.2 mm flange diameter. Manufactured from 18-8 Stainless Steel with a tensile strength of 100,000 psi and Rockwell B100 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.

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