4pcs Star Clamping Knobs M10 x 20mm Metric Thread 39mm 5-Star Head Thumb Screws

About this item

• Size – Standard thread size: M10 (1.5mm Pitch); threaded stud length: 20mm / 0.79″; large head size: 39mm x 19mm / 1.54″ x 0.75″ (D*T); step size: 21mm x 7mm / 0.83″ x 0.28″ (d*t); total length: 40mm / 1.57″; knob style: 5-star; color: black.
• Material – Zinc plated carbon steel threaded studs on hand star knobs ensure durability, strength, functionality and wear resistance, providing reliable performance in various environments. PP plastic five-star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.
• Features – Hexagonal star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and star handle design for convenient operation, enhancing user efficiency. Tightly-in metal insert is machine-injected at to securely connect the parts together.
• Applications – Widely used in machinery, electronics, equipment, furniture, such as drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy thumb screws for the ultimate in adjusting and tightening control.
• Note – Ensure that replacement knobs are securely and properly installed on the corresponding female threaded component or fastener. Do not over-tighten as this may cause damage of the male thread knob. Choose the star knob size that suits your needs.

1. Zinc plated carbon steel threaded studs on hand star knobs ensure durability, strength, functionality and wear resistance, providing reliable performance in various environments. PP plastic star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.
2. Hexagonal star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and 5-star handle design for convenient operation, enhancing user efficiency. Star design adjusts and tightens easily for maximum control and flexibility without the need for additional tools. 
3. Threaded knobs provide a smooth surface, comfortable grip and ergonomic operation. The tightly-in metal insert is machine-injected at high temperatures to securely connect the parts together. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs.
4. Hand tightening knobs are widely used in machinery, electronics, equipment, furniture, such as  drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Sturdy thumb screws for the ultimate in adjusting and tightening control.
5. Ensure that replacement 5-star knobs are securely and properly installed on the corresponding female threaded component or fastener. Do not over-tighten as this may cause damage of the metric male thread knob. Choose the star knob size that suits your needs. Replace the knob if necessary.