10PCS M2.5 Knurled Thumb Nuts, Black Zinc-Plated Carbon Steel Hand-Tighten Nuts, 9mm OD Round Knob Nuts for 3D Printers, Machinery, Electronics & DIY Fastening (Black)

Specifications:Quantity: 10 piecesMaterial: Carbon steelFinish: Black zinc-platedThread diameter: M2.5Outer diameter: 9 mmTotal height: 5.5 mmColor: BlackPackaging includes: 10pcs M2.5 Knurled Thumb Nuts

• 【Durable Carbon Steel with Black Zinc Finish】Made of strong carbon steel with a black zinc-plated surface for better wear resistance, and long-lasting performance in daily use.
• 【Easy Hand-Tightening Design】Knurled surface offers a non-slip grip, allowing fast tightening or loosening by hand with no tools needed—great for frequent adjustments.
• 【Accurate M2.5 Threading】Features clean and precise M2.5 threading that installs smoothly without slipping, ensuring stable fastening for small devices and light-duty parts.
• 【Compact 9mm OD & 5.5mm Height】Low-profile size fits tight spaces while still providing enough grip. Ideal for compact devices, electronics, and precision assemblies.
• 【Wide Application Use】Perfect for 3D printers, small machinery, electronics housings, instrument panels, DIY projects, and repair work. Suitable for fast, simple manual fastening.