... steel.,guillemin coupling, Bauer type coupling, chicago coupling, Ground joint coupling, sandblast coupling, Kingcombination nipple, DIN2817 safety clamp, T-bolt superior ... , etc. 1) Standard of our DIN 2817 Safety clamp >> Our DIN 2817 Safety clamps are made to standard of EN14420-3 ... 2) Material of our AL DIN 2817 Safety clamp: >> Aluminium 3) DIN 2817 Safety clamp: >> Sizes available: from 1/2" ...