1-5pcs M3 M4 M5 M6 M8 M10 Black Plated Knurled Thumb Nut Hand Tighten Nut 3D Printers Parts Curtain Wall DIN466 GB806
Knurled nut with high head are made of carbon steel, with high strength and hardness, and are sturdy and .
Its surface is treated with black zinc plating, but also has good and a long service life.
Carbon steel round knurled thumb nuts adopts a circular rolling design to increase friction and facilitate easy tightening without the need for other tools.
The thread is clear and obvious, compact and uniform, not easy to deform or slide, and can maintain equipment stability for a long time, which is stable and reliable.
Knurled thumb nuts are widely used in electrical or products such as mechanical industry, furniture fastening, commercial appliances, automotive and marine applications, 3D printer beds, etc.