uxcell Knurled Thumb Nuts, M6 Round Knobs with Collar, Zinc Plating, Pack of 5

1.A thumb nuts with a knurled outside surface, this facilitates tightening by hand.
2.The circular nut with knurled is easy to assemble and disassemble. It can open and close the air box cover quickly by hand without tools.
3.Made of good quality metal material, zinc plated finished, corrosion resistant and durable to use.

Specification:
Material: Metal
Finish: Zinc plated
Thread Size: M6 x 1mm
Outter Diameter: 20mm / 0.79"
Overall Height: 13mm / 0.51"
Thickness( Knurled part): 6mm / 0.24"
Package content: 5 x Knurled Thumb Nuts