We offer you a wide variety of effectively created Multipurpose cold forming machine for fasteners in China and abroad. A sheet can not physically be bent appropriate to the edge, and thus what remains is referred to as the unbent flat. The minimum flat you can count on is 1.5 occasions the material thickness and frequently 2.five to 3.5 occasions the material thickness for heavier plate. On our three roller Thread Rolling Machines it's possible hot forming goods with extremely higher specifications of the float material (railway spikes). In case of fig. a, b, c, the groove of upper roll need to be settled two-three-four mm. bigger than the thickness of material. This worth is inversely proportional to the bending radius.