This copper retainer nut fits into the top of the cutting head for HG, HTX, Mark III, and Optiplex.
Mazak® Part # 46143300282, 46143300281, 46143300280
Disclaimer
All products are fully compatible with referenced brands, but are not affiliated with, authorized, endorsed, or sponsored by any Original Equipment Manufacturer (OEM) or named brands, unless explicitly stated in the product description.