S-96016A578 M6 x 20 mm Thumb Screws

Thumb Screws

0774FA00026 Thumb Screws
0774FA00026 Thumb Screws

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

Part No.
Part No. 0774FA00026
Equivalent to mcmaster :
96016A578

Basic Information

System of Measurement Metric

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Low
Head Diameter 26 mm
Head Height 7.8 mm
Head Texture Knurled
Head Material Acetal Plastic
Head Temperature Range 32° to 180° F

Dimensions

Length 20 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 4g6g
Threading Fully Threaded

Material & Strength

Material 18-8 Stainless Steel
Hardness Not Rated

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

  • Effortless manual tightening and loosening with a knurled Acetal plastic head for superior grip and comfort in frequent adjustments.
  • Corrosion-resistant performance thanks to the 18-8 stainless steel body, ideal for humid or demanding industrial environments.
  • Reliable thread engagement with Class 4g6g thread fit and coarse M6x1mm threads, ensuring secure fastening and reduced cross-threading risks.
  • Durable, low-profile design featuring a round head that minimizes protrusion while providing robust assembly in tight spaces.
  • Full threading along the 20mm length for maximum adjustability and consistent holding power across the entire fastener.
  • Wide temperature tolerance with a head operating range of 32° to 180°F, suitable for varied climatic and operational conditions.
  • Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This M6 thumb screw combines the strength of 18-8 stainless steel with the user-friendly Acetal plastic knurled head to address common assembly challenges. The metric coarse thread (M6x1mm) and Class 4g6g thread fit provide quick installation and high resistance to vibration loosening, making it ideal for equipment panels, electronic enclosures, and machinery requiring frequent access. The low-profile round head reduces snagging risks in compact designs, while the fully threaded shank ensures uniform load distribution. Perfect for industrial and commercial applications, this fastener enhances operational efficiency by enabling tool-free adjustments without compromising on durability or corrosion resistance.

Specification Summary & Compliance

This thumb screw adheres to metric thread standards with M6x1mm coarse threads and a Class 4g6g thread fit for precise dimensional accuracy. It is fully threaded along the 20mm length and features a right-hand thread direction. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.

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