HARFINGTON 6pcs Star Clamping Knobs M8 x 80mm Metric Male Thread 60mm 4-Point Plastic Head Threaded Stud Knob Hand Tightening Thumb Screw Jig Handle, Black

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 4-star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.Star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and 4-point 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. 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.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.Ensure that replacement clamping 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.

• Size - Thread size: M8 (1.25mm pitch); threaded stud length: 80mm / 3.15"; head size: 60mm x 45mm x 30mm / 2.36" x 1.77" x 1.18" (L*W*T); step size: 23mm x 15mm / 0.9" x 0.6" (d*t); total length: 190mm / 7.48"; knob style: 4-point star
• 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 4-star handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.
• Features - Star-shaped design for easy grip, preventing slippage and ensuring stable operation. Combines screw-type structure and 4-point star handle design for convenient operation, enhancing user efficiency. The tightly-in metal insert is machine-injected at high temperatures to securely connect the parts together.
• Applications - Stud Knobs are widely used in machinery, electronics, equipment, furniture. Can be used on drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs.
• 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. Replace the knob if necessary.