S-97654A662 M4 x 25 mm Stainless Steel Flanged Button Head Hex-Drive Screws

Stainless Steel Flanged Button Head Hex-Drive Screws

0171FA00049 Stainless Steel Flanged Button Head Hex-Drive Screws
0171FA00049 Stainless Steel Flanged Button Head Hex-Drive Screws

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

Part No.
Part No. 0171FA00049
Equivalent to mcmaster :
97654A662

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Height 2.2 mm
Rounded Head Profile Wide
Rounded Head Style Button

Dimensions

Length 25 mm
Flange Diameter 9.4 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 2.5 mm

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Not Rated
Tensile Strength 70000 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 and passivated finish, ideal for harsh industrial environments
  • Enhanced durability and strength with 70,000 psi tensile strength, ensuring reliable performance under load
  • Secure and stable fastening due to the integrated flange, eliminating the need for a separate washer
  • Easy installation and removal with a 2.5 mm hex drive, providing a secure grip and reducing tool slippage
  • Precise thread engagement with Class 6g fit and coarse M4 x 0.7 mm threads, offering consistent performance in various materials
  • Versatile right-hand metric threading ensures compatibility with standard industrial components and equipment
  • Compliance with environmental regulations including RoHS 3 and REACH, meeting global safety and sustainability standards

Professional Applications & Engineering Value

This M4 flanged button head screw is engineered to address common industrial challenges such as vibration loosening and corrosion. The 18-8 stainless steel construction, combined with a passivated finish, provides excellent resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing applications. The flanged design distributes clamping force evenly, reducing surface damage and improving joint integrity. With a hex drive and fully threaded body, it ensures quick assembly and high torque transmission, ideal for machinery, automotive assemblies, and electronic enclosures where precision and durability are critical.

Specification Summary & Compliance

This screw features metric coarse threading (M4 x 0.7 mm) with a Class 6g thread fit for precise tolerance, ensuring reliable engagement. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use. The dimensions include a 25 mm length, 9.4 mm flange diameter, and 2.2 mm head height, supporting consistent performance in metric fastening systems.

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