S-96016A584 M8 x 20 mm Thumb Screws

Thumb Screws

0774FA00031 Thumb Screws
0774FA00031 Thumb Screws

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

Part No.
Part No. 0774FA00031
Equivalent to mcmaster :
96016A584

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 9.8 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 M8
Thread Pitch 1.25 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

  • Enhanced grip and torque application with knurled acetal plastic head for secure hand-tightening without tools
  • Corrosion-resistant performance thanks to 18-8 stainless steel construction suitable for various environments
  • Low-profile round head design (9.8mm height) prevents snagging while providing ample surface area for comfortable operation
  • Precision metric threading with Class 4g6g fit ensures reliable engagement and vibration resistance in industrial assemblies
  • Wide temperature tolerance (32° to 180°F) maintains integrity across diverse operating conditions
  • Regulatory compliance ready with RoHS 3 and REACH certifications for global manufacturing requirements
  • Full-threaded M8x1.25mm coarse pitch enables quick installation and secure fastening in time-sensitive applications

Professional Applications & Engineering Value

This M8 thumb screw combines the corrosion resistance of 18-8 stainless steel with the ergonomic advantages of a knurled acetal plastic head to solve common industrial fastening challenges. The low-profile round head design minimizes protrusion in confined spaces while the 26mm diameter provides exceptional leverage for hand-tightened applications. The fully threaded construction with coarse metric threading ensures rapid installation in equipment panels, access covers, and adjustable components where frequent maintenance is required. The plastic head offers electrical insulation and thermal comfort, making it ideal for electronic enclosures, laboratory equipment, and manufacturing fixtures that demand both reliability and operator safety.

Specification Summary & Compliance

Manufactured to precise metric thread standards with Class 4g6g thread fit tolerance for consistent performance. Features M8x1.25mm coarse pitch threads in right-hand direction with 20mm length and 26mm head diameter. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for restricted substances, ensuring suitability for industrial and commercial applications worldwide.

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