Description
Product Overview
Giantree M8 star knobs are through-hole wing nuts designed for reliable manual adjustments in industrial and mechanical settings. Each knob features a head diameter of 30mm and internal thread diameter of 8mm, crafted from high-quality plastic and copper materials to resist rust and corrosion. The ergonomic star-shaped handle ensures a comfortable grip, while the clear, complete internal threads allow for even force distribution. These knobs are well-made with no sharp edges or burrs, providing a sturdy and durable solution for various applications. Specifications include product dimensions of 5.91 x 3.94 x 0.47 inches, weight of 1.48 ounces, model number 572996, and ASIN B0CXX8WRFR.

Usage
Giantree M8 star knobs are ideal for manual adjustments in mechanical engineering, furniture decoration, machine tools, fitness equipment, and industrial machinery. They suit environments where frequent tightening and loosening are required, such as in workshops, factories, and home DIY projects. The target audience includes mechanics, engineers, hobbyists, and anyone needing secure, easy-to-handle fasteners for equipment that demands reliability without tools. These knobs perform well in both indoor and outdoor settings, thanks to their corrosion-resistant materials.
Why Choose Us
Giantree M8 star knobs stand out due to their combination of ergonomic design and high-quality materials. The plastic and copper construction ensures long-lasting performance without rust or corrosion, while the star handle offers superior comfort and grip. Each knob is meticulously crafted to eliminate edges and burrs, enhancing safety and aesthetics. With a high customer rating of 4.6 out of 5 stars from 26 reviews, these knobs are trusted for their durability and ease of use, making them a competitive choice for industrial and DIY applications.
Key Features
- Ergonomic star handle design for comfortable and secure gripping
- Made from high-quality plastic and copper for rust and corrosion resistance
- Clear internal threads with even force distribution to prevent slipping
- Easy screw-in installation and removal for quick adjustments
- Versatile application in machinery, furniture, and industrial equipment
FAQ
What is the thread size of these knobs?
The internal thread diameter is 8mm, designed to fit standard M8 threaded rods.
Are these knobs suitable for outdoor use?
Yes, the plastic and copper materials are anti-rust and corrosion-resistant, making them ideal for both indoor and outdoor environments.
How many knobs are included in the package?
Each package contains 10 well-packaged through-hole M8 star knobs.
Can I install these without tools?
Absolutely, the screw-in design allows for easy installation, removal, and adjustment by hand without requiring additional tools.
What is the head diameter of the knob?
The head diameter is 30mm, providing a substantial grip surface for comfortable handling.





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