uxcell Knurled Thumb Nuts, 6Pcs M5 x D16mm x H10mm Brass High Head Through Hole with Collar High Head Through Hole Round Knobs Fasteners for 3D Printer Parts, Machine Tools

[Thread Size] M5: Pitch: 0.8mm/0.02 "; Large end diameter: 16mm/0.62 "; Small end diameter: 10mm/0.39 "; Total thickness: 10mm/0.39 ". | [Material] Our knurled thumb nuts are made of brass, with nickel plated in the surface, high-hardness, durable, wear-resistant, sturdy, not easy to rust or fade, with a flat head and round knurled body, which can be used for a long time. | [Advantage] Knurled thumb nuts are designed with sharp, clean, compact, and accurate thread, which makes it not easy to be out of shape or slide in the process of rolling. | [Easy to Use] Our adjusting nuts are designed with a knurled surface and clear slotted head, which can be easily tightened, installed, and removed by hand. No tools are required. | [Wide Applications] These round knob fasteners can be widely used in the machinery industry, furniture fastening, 3D printer beds, and other electrical or industrial products.