S-94559A705 M3 x 12 mm Aluminum Oversized-Flange Button Head Hex-Drive Screws

Aluminum Oversized-Flange Button Head Hex-Drive Screws

0178FA00005 Aluminum Oversized-Flange Button Head Hex-Drive Screws
0178FA00005 Aluminum Oversized-Flange Button Head Hex-Drive Screws

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

Part No.
Part No. 0178FA00005
Equivalent to mcmaster :
94559A705

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 12 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 performance from 6061 Aluminum, ideal for weight-sensitive applications without sacrificing durability.
  • Effortless installation and high torque resistance with the 2 mm hex drive, preventing tool slippage and reducing assembly time.
  • Enhanced load distribution and secure fastening thanks to the integrated 12.8 mm flange, minimizing surface damage and loosening under vibration.
  • Reliable thread engagement and consistent fit with Class 6g thread tolerance, ensuring compatibility in metric assemblies.
  • High mechanical strength under stress with 40,000 psi tensile strength and Rockwell B40 hardness, suitable for demanding industrial environments.
  • Full threading for maximum grip length along the 12 mm shank, providing versatile fastening in various material thicknesses.
  • Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

Engineered for precision and reliability, these M3 metric screws with a 0.5 mm coarse pitch and fully threaded design address common industrial challenges such as vibration-induced loosening and material compatibility. The 6061 Aluminum construction offers an optimal balance of strength and lightweight properties, reducing overall assembly weight while resisting corrosion in harsh environments. The flanged button head and hex drive simplify installation in tight spaces, making them ideal for electronics, machinery, and automotive applications where consistent Class 6g thread fit and right-hand threading ensure secure, long-lasting connections without frequent maintenance.

Specification Summary & Compliance

This screw adheres to metric threading standards with Class 6g tolerance for precise fit. It meets RoHS 3 (2015/863/EU) with exemption 6(b)-II and is REACH (EC 1907/2006) compliant, confirming its suitability for industrial use. Dimensions include a 12 mm length, M3 x 0.5 mm thread, and 12.8 mm flange diameter, manufactured to ensure durability and performance in various applications.

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