S-94559A702 M3 x 6 mm Aluminum Oversized-Flange Button Head Hex-Drive Screws

Aluminum Oversized-Flange Button Head Hex-Drive Screws

0178FA00002 Aluminum Oversized-Flange Button Head Hex-Drive Screws
0178FA00002 Aluminum Oversized-Flange Button Head Hex-Drive Screws

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

Part No.
Part No. 0178FA00002
Equivalent to mcmaster :
94559A702

Basic Information

Screw Features Flanged
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 5 mm
Head Height 4.6 mm
Rounded Head Profile Wide
Rounded Head Style Button

Dimensions

Length 6 mm
Flange Diameter 12.8 mm
Flange Thickness 2.7 mm

Thread Parameters

Thread Type Metric
Thread Size M3
Thread Pitch 0.5 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 2 mm

Material & Strength

Material 6061 Aluminum
Hardness Rockwell B40
Tensile Strength 40000 psi

Temperature & Environment

REACH 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 and lightweight properties from 6061 Aluminum construction, ideal for weight-sensitive applications without sacrificing durability.
  • Enhanced load distribution and secure fastening thanks to the integrated 12.8 mm flange, reducing the need for separate washers and simplifying assembly.
  • Reliable, high-strength performance with a tensile strength of 40,000 psi and Rockwell B40 hardness, ensuring longevity under mechanical stress.
  • Precision threading for consistent fit with Class 6g metric coarse threads (M3 x 0.5 mm pitch), minimizing cross-threading and enabling smooth installation.
  • Convenient and efficient installation using a standard 2 mm hex drive, allowing for high-torque application in confined spaces with the low-profile button head design.
  • Full threading for maximum grip across the entire 6 mm length, providing uniform clamping force and vibration resistance in dynamic environments.
  • Compliance with strict environmental regulations, including RoHS 3 and REACH, ensuring safe use in industrial and electronic assemblies.

Professional Applications & Engineering Value

This M3 flanged button head screw is engineered to address common industrial challenges such as component loosening due to vibration and the need for lightweight, high-strength fastening solutions. Made from 6061 aluminum, it offers an optimal balance of strength and weight, making it perfect for applications in electronics, robotics, and automotive assemblies where corrosion resistance and reduced mass are critical. The fully threaded design with Class 6g coarse threads ensures quick, reliable engagement in various materials, while the hex drive and flanged head provide secure, tool-friendly installation that withstands operational stresses. Ideal for industrial screws in machinery and consumer products, this fastener enhances assembly integrity and longevity.

Specification Summary & Compliance

This screw features precision metric threading with M3 size, 0.5 mm pitch, and Class 6g thread fit for consistent dimensional accuracy. It complies with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead in aluminum alloys and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. Manufactured to deliver reliable performance with a tensile strength of 40,000 psi and full threading, it is suited for a wide range of industrial and engineering applications.

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