Screw - M8 x 20mm - Star-shaped knob - 2 pieces - Plastic - Hexagonal - Hand-tightening screw - For replacement

【Dimensions】 Screw thread size: M8 x 20 mm / 0.31'' x 0.79'' (D x L), M8 head diameter (approx.): 38 mm / 1-1/2''. Check the required screw thread size before you buy. Male knobs are perfect for DIY projects and home repairs. 【Quick and easy installation】 No mounting hardware needed. This externally threaded knob has a special star-shaped design, fits comfortably in the hand and is ergonomic. It can be easily turned with your fingers without damaging your hands. DIY and install these thumbscrews into your screw holes. 【High-quality materials】 The screw is smooth and burr-free, feels comfortable in the hand, with deep, complete and clear screw threads. It distributes force evenly and prevents slipping. The bolt is made of carbon steel and the screw surface is galvanised for even plating, high hardness and durability. 【Wide range of applications】 M8 screw thread knobs are suitable for speaker brackets, cars, woodworking clamps, industrial instruments and other mechanical equipment, workbenches and the like. They're the best choice for clamping work and industrial equipment and are ideal for replacing and tightening screws in your daily life.