April 1998 Hose clamps Spring Band Clamps (SBC) Part 1: Dimensions, marking, materials, types DIN 3021-1 ICS 21.060.70 Hose clamps - Spring band clamp - Part 1: Dimensions, marking, materials, types Colliers de serrage - Colliers de ressort - Partie 1: dimensions, designation, mati é res premi é res, type Foreword This standard draft was drawn up by the study group Standardisation of Spring Band C