M8x40 Threaded black plastic clamping button screw-shaped button with button for machine tool. The button handles are made of high quality plastic for durability and a long Lifetime. Star Shape: Ideal for a comfortable grip. Type of screws: universally adapted and can be used for most types of machine tools. widely used for mechanical equipment, instruments and apparatus, food and industrial equipment. Color: star-shaped male button M8 x 40. Product These button handles are high quality plastic for durability and long life. Easy to install and use Nice finish surface for a comfortable grip. Widely used for mechanical equipment, instruments and appliances, food and industrial equipment. Head diameter: 32mm Thread diameter: 8mm length of the threat: 40mm Type: Screw Type Material: Metal, Plastic The black color The package includes: 10pcs star-shaped buttons Notes: Please allow a difference of 1-3mm due to manual measurement, we sincerely appreciate for your understanding.