HARFINGTON 20pcs Tee Wing Thumb Screws M4 x 10mm Standard Male Thread Plastic T Knobs Handles Hand Clamping Knobs Grip Thumbscrew Black

Size Standard Thread Size M4 07mm Pitch Thread Length 10mm 039 Tee Wing Head Width 27mm 106 Total Length 20mm 079 Knob Style Tee Color Black The threads are neat and clear the force is even and deep not easy to slip and there are no burrs Material Zinc plated carbon steel threaded studs on knobs ensure durability strength functionality and wear resistance Premium plastic clamping knobs provide durability a smooth surface and comfortable grip Features The tightlyin metal insert are machineinjected at high temperatures to securely connect the parts together easy to install T wing knobs are easy to grip and turn by hand providing leverage and comfort making it easier to tighten or loosen the knob Applications Thumb screw knobs with hand bolts are commonly used in applications that require frequent and quick adjustments or tightening Widely used in lathes drill presses packaging and woodworking machinery printing and industrial equipment and fixtures Note Always tighten the thumbscrew knob securely to prevent any movement of the fixed assembly Do not overtighten the knob as this may damage or strip the threads in the mating assembly Replace the knob if necessary.