Crimping rings
- Steel : usually sleeves are made of DC04 and may be treated later according to your needs to make nickel zinc, chrome, white zinc, or ARCOR.
- Stainless steel : depending on the use these sleeves are made of stainless steel AISO 430, 304L or 316L.
Emprotec also produces sleeves made of aluminium or brass.
Stamped rings or washers
