20x M4 x 20mm Male Thread Knurled Thumb Screws, Black

About this item

• 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 over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary.
• Knurled Clamping Knobs: Thread Size: M4 (0.7mm Pitch); Thread Length: 20mm / 0.79"; Head Diameter: 14mm / 0.55"; Total Length: 32mm / 1.26"; 20pcs x Knurled Knobs. Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control.
• Here’s a modified version of each line while maintaining the original meanings:
• Features: The textured pattern on the exterior enhances traction, facilitating the process of tightening or loosening the knob. The threads are well-defined and organized, ensuring consistent and deep engagement, minimizing the likelihood of slipping, with no rough edges present. Sturdy plastic knobs offer an attractive and sleek surface, alongside a pleasant grip experience.
• Hand Knob with Stud: The zinc plated carbon steel threaded stud on the knob ensure durability, strength, functionality and wear resistance. The tightly-in metal threaded stud can securely join components together, easy to install, suitable for various applications.