14pcs M6 x 30mm Thread 20mm Knurled Grip Clamping Knobs Handle Thumb Screw Black

14pcs Knurled Knobs M6 x 30mm Male Thread 20mm Head Grip Plastic Metric Clamping Knobs Handles Thumb Screws with Threaded Stud, BlackMale thread diameter: M6 (1mm pitch); male thread length: 30mm / 1.18; knurled head diameter: 20mm / 0.79; total height: 44mm / 1.73Thermoset plastic clamping knobs offer durability, excellent strength, wear, heat and chemical resistance, and electrical insulation. Zinc plated metal threaded studs offer excellent corrosion resistance, durability, and protect the knobs from rust and wear.The knurled knob provides an enhanced grip surface for easy adjustment even with wet or oily hands. The thumb screw with a threaded stud attaches to a mating component for quick and easy installation. Tightly-in plated steel metal insert allows adjustment.Clamping handles provide a secure grip and ultimate adjustment and tightening control, Suitable for lathes, drill presses, saws, packaging and woodworking machinery, printing and instrument equipment1 set left faultless for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.