10PCS Black Stainless Steel 304 Knurled Thumb Nut M4 Round Knobs Hand Nuts for 3D Printer Parts

The product is made of high quality metal material, the surface is black zinc, durable, long service life.
Product size: Total size approx.: 12 x 8mm/0.47x0.31in, thread: M4 x 0.7mm.
The outer surface of the product has a knurled thumb, which is very easy to manually tighten, but also easy to disassemble, very convenient.
The products are suitable for 3D printing beds, machine tools, cabinets and toolboxes.
Product package contains: 10 pieces of knurled finger nuts.

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