4-Piece M5 x 20mm Plastic T-Shaped Wing Knobs with Standard Male Thread, T-Handles, Hand Clamps, Thumb Screws, Black

Size - Standard thread size: M5 (0.8 mm pitch); Thread length: 20 mm / 0.79"; T-head width: 36 mm / 1.42"; Total Length: 35.5 mm / 1.4"; Knob Style: T; Color: Black (Threads are clean and clear, force is even and deep, they do not slip easily and have no burrs.) Material - The zinc-plated carbon steel threaded stems of the wing nut knobs ensure durability, strength, functionality, and wear resistance. The plastic clamping knobs offer durability, a smooth surface, and a comfortable grip. Features - The tightly fitting metal inserts are hot-injected to securely connect the parts together, making installation easy. The wing nuts are easy to grip and turn by hand, providing leverage and comfort, making tightening or loosening the knob easier. Applications - Thumb wing nut knobs with hand bolts are commonly used in applications requiring frequent and quick adjustments or tightening. They are widely used in lathes, drills, packaging and woodworking machines, industrial and printing