M2.5 x 5mm 3.5mm OD Brass Threaded Insert Embedment Knurled Thumb Nut 200PCS
Description: A brass knurled nut, or thumb nut, is a nut with a knurled outside surface, rather than hex. This facilitates tightening by hand. These nuts are used in finished materials such as light fixtures, antique cars and motorcycles etc.