- Standard thread size: M3 (0.5 mm pitch), thread length: 20 mm (0.79 inches), knurled head diameter: 14 mm (0.55 inches), total height: 31.5 mm (1.24 inches). The screws feature a clear and precise thread design that ensures consistent force application and minimizes slippage. - Designed for secure adjustment and tightening control, these knurled thumb screws are perfect for applications in saws, drill presses, lathes, and milling jigs, as well as packaging machinery, printing equipment, and woodworking machines. - Made from galvanized carbon steel, these grub screws are built to last. Their corrosion, rust, and wear resistance enhance durability, while the fixed metal inserts guarantee optimal functionality and easy installation. - The thermoplastic plastic buttons provide a comfortable grip, making it easy to use the tension knob. The knob is designed to be firm, sturdy, and durable, featuring a smooth surface for an improved user experience. Applications: 1. Use these thumb screws to securely adjust components on woodworking machinery, ensuring precise cuts and operations. 2. Ideal for tightening and adjusting parts on drill presses, enhancing stability and accuracy during drilling tasks. 3. Perfect for packaging machinery, where reliable fastening is essential for efficient operation and safety.