M4 M5 M6 M8 M10 M12 Plum Bakelite Hand Tighten Nuts Handle Thread Star Mechanical Black Thumb Nuts Clamping Knob Manual Nuts

Product Details:Material: Copper + plasticHead shape: black, six petalsTypes of:Perforated / No Perforated（Optional）Specification: M4 M5 M6 M8 M10 M12Head diameter:25m2m8mm 48mm（as show）Colour: BlackQuantity: 5pcs/10pcsPackage includes: According to your choice.Caution:M4-M10 is copper core,M12 is an iron core▲[Good design] This star-shaped knob is designed to be very gripping and easy to use with protective . The screws have no corners or burrs and are well made. The screw is firmly fixed, and the screw can be tightened very stably.▲[High quality] M4-M12 internal thread knob is made of high-quality plastic, durable and long service life.▲[Wide range of applications] Ideal it for s-made fixtures and fixtures, machine tools. It is widely used in mechanical equipment, instrumentation, food and industrial equipment.▲[Easy installation] It is very simple to install the clamping knob, no other tools are needed, and it can be used directly by screwing into the threaded rod. It is a great acceory to rep old handles or damaged handlesNotice:1. Due to manual measurement, please allow an error of 0.1-0.3mm.2. Since different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.