S-94500A221 M3 x 6 mm ISO 7380 Stainless Steel Button Head Hex-Drive Screws

Stainless Steel Button Head Hex-Drive Screws

0079FA00004 Stainless Steel Button Head Hex-Drive Screws
0079FA00004 Stainless Steel Button Head Hex-Drive Screws

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

Part No.
Part No. 0079FA00004
Equivalent to mcmaster :
94500A221

Basic Information

System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 5.7 mm
Head Height 1.65 mm
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 6 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 316 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 from 316 stainless steel and passivated finish, ideal for harsh industrial and marine environments.
  • High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads.
  • Easy and secure installation with a 2 mm hex drive, preventing stripping and allowing for high torque application.
  • Wide compatibility and precise fit with a Class 6g thread fit and M3 x 0.5 mm coarse thread, ensuring easy assembly.
  • Fully threaded design provides maximum grip and holding power along the entire 6 mm length.
  • Compliant with international standards including ISO 7380, guaranteeing dimensional accuracy and interchangeability.
  • Environmentally responsible manufacturing with compliance to RoHS 3 and REACH regulations.

Professional Applications & Engineering Value

This M3 metric hex screw is engineered from 316 stainless steel, offering exceptional pitting and crevice corrosion resistance, which is critical for applications in chemical processing, marine hardware, and outdoor equipment. The passivated finish further enhances surface durability, preventing galling and providing a clean, corrosion-resistant barrier. The rounded button head and fully threaded body ensure a low-profile, secure fastening solution that distributes stress evenly, reducing the risk of joint failure. Its coarse thread pitch and Class 6g thread fit allow for rapid assembly and reliable performance in high-vibration environments, making it a trusted component for industrial machinery and marine grade assemblies where fastener integrity is non-negotiable.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with an M3 x 0.5 mm coarse thread and a Class 6g thread fit as per ISO 7380. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industries.

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