The M4 / 4mm Door Handle Screws Bolts by Hafele are high-quality metal fasteners suitable for kitchen doors and drawer knobs. With various lengths ranging from 9mm to 50mm, these grade 2 screws feature a flat head design and closed end type. The M4 thread size and zinc plated mandrel material ensure durability and secure attachment. These mating screws are perfect for both 4mm and M4 interior diameters, providing a reliable solution for fastening door handles with ease.