S-96016A610 M8 x 20 mm Thumb Screws

Thumb Screws

0778FA00008 Thumb Screws
0778FA00008 Thumb Screws

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

Part No.
Part No. 0778FA00008
Equivalent to mcmaster :
96016A610

Basic Information

System of Measurement Metric

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Multi-Lobe
Head Diameter 38 mm
Head Height 10 mm
Head Color Black
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 manual operation with 38mm multi-lobe plastic head for superior grip without tools
  • Corrosion-resistant performance from 18-8 stainless steel construction in demanding environments
  • Durable head material using black acetal plastic that withstands temperatures from 32° to 180°F
  • Reliable thread engagement with Class 4g6g metric coarse threads ensuring secure fastening
  • Full-threaded design providing maximum holding power across the entire 20mm length
  • Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
  • Right-hand threading for intuitive installation and removal in standard applications

Professional Applications & Engineering Value

This M8 thumb screw combines the corrosion resistance of 18-8 stainless steel with the ergonomic advantages of a black acetal plastic multi-lobe head to solve common industrial assembly challenges. The metric coarse thread with 1.25mm pitch and Class 4g6g fit ensures quick installation and reliable performance in applications requiring frequent adjustments, such as access panels, machinery guards, and electronic enclosures. The fully threaded design provides consistent clamping force across the entire 20mm length, while the temperature-resistant acetal head maintains its integrity in environments ranging from 32° to 180°F. This combination addresses the need for durable, tool-free fastening solutions in maintenance-heavy industrial settings where corrosion resistance and user safety are paramount.

Specification Summary & Compliance

This metric thumb screw features M8 x 1.25mm coarse threads with Class 4g6g thread fit according to ISO metric standards, ensuring precise dimensional accuracy. The 38mm diameter multi-lobe head is manufactured from black acetal plastic, while the threaded portion utilizes 18-8 stainless steel. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.

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