KOSTYRKA® expanding sleeves with or without flange ring are based on the inverse of the clamping sleeves operating principle. The expanding sleeves slitted jacket is expanded by oil pressure. As a result, the surrounding table is, for example, securely and tightly clamped from the inside. 

KOSTYRKA® expanding sleeves and table clamps are individually designed and manufactured according to the required load capacity and the application conditions of the customer.