MroMax 8Pcs Knurled Thumb Nuts, M4x0.7mm Through Hole 304 Stainless Steel Knobs Fasteners Round Hand Screw Nuts for 3D Printer Parts, Silver Tone

Our thumb nuts are made of 304 stainless steel, with high fixing strength and corrosion resistance, it is not easy to rust in a humid environment.

Smooth Surface The surface is smooth and burr-free, with high-quality workmanship, sturdy and durable.

Clear Threads The threads are neat, clear and complete, and the pitch is uniform, which is easy to install and disassemble, and is not easy to slip.