Hook Formers

DOP and EO

These manual machines, used for decades, raise extension spring loops.

DOP model makes both single and double “German” loops.

EO model makes “English” loops.

Technical characteristics

Model DOP 1.5 DOP 3.5 EO 1.5 EO 3.5
Wire diameter (mm) 0,5 – 1,5 1 – 3,5 0,5 – 1,5 1 – 3,5
Outside spring diameter (mm) 5 – 15 12 – 30 5 – 15 10 – 40
Loop height 0,8 < LH <1,1 Di LH ~ 1,1 Di
Rate, manual (max) 35 /mn
Dimensions (cm) 30 x 40 40 x 60 30 x 40 40 x 60