S-97654A223 M5 x 40 mm ISO 7380 Stainless Steel Flanged Button Head Hex-Drive Screws

Stainless Steel Flanged Button Head Hex-Drive Screws

0171FA00021 Stainless Steel Flanged Button Head Hex-Drive Screws
0171FA00021 Stainless Steel Flanged Button Head Hex-Drive Screws

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Part No.
Part No. 0171FA00021
Equivalent to mcmaster :
97654A223

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Height 2.75 mm
Rounded Head Profile Wide
Rounded Head Style Button

Dimensions

Length 40 mm
Flange Diameter 11.8 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3 mm

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Not Rated
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ISO 7380
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 and passivated finish, ideal for harsh industrial environments
  • High tensile strength of 70,000 PSI ensures reliable, long-lasting fastening under demanding mechanical loads
  • Integrated flange design eliminates the need for separate washers, speeding up assembly and reducing component count
  • Hex drive with 3mm drive size provides secure tool engagement and high torque transmission without stripping
  • Fully threaded M5 coarse thread (0.8mm pitch) offers quick installation and strong holding power in various materials
  • Rounded button head profile delivers a smooth, low-profile finish that minimizes snagging and enhances safety
  • Compliance with ISO 7380, RoHS 3, and REACH guarantees international quality and environmental safety standards are met

Professional Applications & Engineering Value

This M5 flanged button head screw is engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to rust and chemical exposure, making it suitable for machinery, automotive assemblies, and outdoor equipment. The hex drive and fully threaded coarse pitch design ensure rapid, secure installation with standard tools, reducing assembly time and labor costs. Its integrated flange distributes clamping force evenly, preventing surface damage and maintaining joint integrity in high-stress applications, from conveyor systems to electronic enclosures.

Specification Summary & Compliance

This screw adheres to ISO 7380 dimensional standards with a Class 6g thread fit for precise, reliable engagement. Key specifications include M5 thread size, 0.8mm coarse pitch, 40mm length, and 11.8mm flange diameter. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and consumer applications.

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