M4 Metric Copper Plated Hex Cap Nut for a Tattoo Machine – Tattoo Supplies
The Copper Plated Hex Cap Nut is M4 metric with a 4mm diameter of the threaded part. The thread length, or distance of each thread, is 0.7mm. It measures 8mm tall and the base is 6.9mm wide. This item is sold singularly, so make sure to choose a larger quantity if you want a few backups.