Attributes:* Male Thread Size: M5 (0.8mm Pitch)* Thread Length: 16mm / 0.63"* Head Diameter: 21mm / 0.83"* Total Length: 29mm / 1.14"* Material: Plated Steel, Thermoset Plastic* Color: Black, Silver ToneWhat Is Included:* 6 Pieces x Knurled Clamping KnobsApplications & Features:--- The knurled clamping knobs are designed to provide a secure grip and quick adjustment, making it suitable for a variety of industrial applications. Widely used in lathes, drill presses, sawing machines, milling machine fixtures, packaging machinery, printing equipment, woodworking machinery, mechanical equipment, instrument equipment, food and industrial equipment.--- The knurled surface on knobs provides a non-slip grip, even with gloves or wet hands.
eBay