S-97654A231 M8 x 35 mm ISO 7380 Stainless Steel Flanged Button Head Hex-Drive Screws

Stainless Steel Flanged Button Head Hex-Drive Screws

0171FA00028 Stainless Steel Flanged Button Head Hex-Drive Screws
0171FA00028 Stainless Steel Flanged Button Head Hex-Drive Screws

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

Part No.
Part No. 0171FA00028
Equivalent to mcmaster :
97654A231

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Height 4.4 mm
Rounded Head Profile Wide
Rounded Head Style Button

Dimensions

Length 35 mm
Flange Diameter 17.8 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

Tip & Drive Parameters

Drive Style Hex
Drive Size 5 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 construction and passivated finish, ensuring long-term reliability in harsh environments
  • High tensile strength of 70,000 PSI provides dependable load-bearing capacity for demanding industrial applications
  • Integrated flange design eliminates the need for separate washers, simplifying assembly and reducing component count
  • 5mm hex drive with button head offers secure tool engagement and a low-profile finish that minimizes snagging risks
  • Class 6g thread fit with coarse pitch ensures smooth installation and reliable performance in vibration-prone settings
  • Full threading along 35mm length enables maximum adjustability and consistent clamping force across the entire fastener
  • International compliance with ISO 7380 standards and RoHS/REACH regulations for global project acceptance

Professional Applications & Engineering Value

This M8 flanged hex button head screw delivers critical engineering advantages through its optimized material selection and structural design. The 18-8 stainless steel composition combined with passivated surface treatment creates a robust barrier against chemical exposure and atmospheric corrosion, addressing common failure points in manufacturing equipment, outdoor machinery, and food processing installations. The integrated flange distributes clamping pressure over a wider area (17.8mm diameter), preventing surface damage to softer materials while providing superior vibration resistance. With its coarse metric thread (M8 x 1.25mm) and Class 6g tolerance, this fully threaded fastener maintains secure connections in high-vibration environments where fine-thread alternatives might loosen. The hex button head configuration allows for high-torque installation while maintaining a smooth, low-profile appearance that meets both functional and aesthetic requirements across automotive, electronics, and industrial assembly applications.

Specification Summary & Compliance

This metric fastener features precision Class 6g thread fit according to ISO standards, ensuring consistent engagement and reliable performance. Manufacturing specifications strictly adhere to ISO 7380 for dimensional accuracy and mechanical properties. The product demonstrates full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical management, validated through the June 14, 2023 SVHC assessment where applicable. These certifications guarantee the screw's suitability for regulated industries and international projects requiring documented material traceability and environmental responsibility.

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