uxcell 20pcs M4 x 15mm Male Thread Knurled Knobs Thumb Screws Clamping Knobs Grip 14mm Plastic Round Head Hand Knobs Thumbscrews Black

Knurled Clamping Knobs Thread Size M4 07mm Pitch Thread Length 15mm 059 Head Diameter 14mm 055 Total Length 27mm 106 20pcs x Knurled Knobs Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control Hand Knob with Stud The zinc plated carbon steel threaded stud on the knob ensure durability strength functionality and wear resistance The tightlyin metal threaded stud can securely join components together easy to install suitable for various applications Features 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 Durable plastic knobs provide a smooth and beautiful surface as well as a comfortable grip Applications Knurled knobs are commonly used in applications that require frequent adjustments or tightening Widely used in lathes drill presses sawing machines packaging and woodworking machinery printing instrument and industrial equipment and fixtures Tips Always tighten the knurled 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.