10PCS Black Stainless Steel 304 Knurled Thumb Nuts M4 Round Knobs - Durable Hand Nuts for 3D Printer Parts, CNC Machinery & DIY Projects - Perfect for Secure Fastening and Easy Adjustments

Product: Knurled Finger Nuts Material: metal Colour: Black Quantity: 10 pieces

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.