25Pack M4x10mm Threaded Knurled Thumb Screws Zinc Plated Carbon Steel Clamping Knobs Grip Black

Description: 1. Material: Knurled thumb screw made of plastic and carbon steel the surface is galvanized scratch-resistant dirt-resistant sturdy and durable. This Knob is a round shape design great for a comfortable hand grip and plays a non-slip effect without scratching your hands. 2. Feature: The knurled texture on the surface provides better grip making it easier to tighten or loosen the knob. Threads are neat and clear the force is even and deep not easy to slip and there are no burrs. 3. Application: Knurled head thumb screws are widely used in home appliances electrical appliances machinery instruments and other DIY projects. They can be used to fix panels furniture lampshades musical instruments mechanical components electronic equipment communication equipment decorative products etc. 4. Advantage: Thumb screws can be installed and fastened without any tools which is convenient. The larger the diameter of the thumb portion the greater the clamping force that can be applied.