Hollow taper shank DIN 69893 QPuriocdkuocvteirnvfioerwmfaotrioenasy ordering Forms and versions of hollow taper shanks (HSK) DIN 69893 Form A Form B Central coolant supply via coolant tube. Coolant supply via collar or centrally via coolant tube Use: Use: For machining centres with automatic tool change. For machining centres and lathes with automatic tool change, enlarged mounting collar. Form C Form D Central coolant supply Coolant supply via collar or centrally via coolant tube Use: Use: Preferably in transfer lines and special machines For operations where a good support by flat contact surface is with manual tool change. required. Manual tool change, enlarged mounting collar Form E Form F Central coolant supply via coolant tube possible. Central coolant supply via coolant tube possible. Use: Use: For HSC processing, symmetrical, without driving slots. Enlarged mounting collar. 24/452 www.precitool.de