Zinc plated carbon steel threaded studs on hand knurled clamping knobs ensure durability, strength, corrosion resistance, rust prevention, wear resistance, and functionality, providing reliable performance in various environments. PP plastic round handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.Knurled texture on the hand knob surface provides better grip, making it easier to tighten or loosen the knob. Tightly-in threaded metal stud insert is machine-injected at high temperatures to securely connect the parts together, easy to install. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. Threaded knobs provide a smooth surface, comfortable grip and ergonomic operation.
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