Cold heading is a process that makes use of three techniques: forward extrusion, backward extrusion and upsetting. After cold heading, the work piece undergoes cold working to alter the shape of the metal to near the net shape (almost finished stage) under cold temperatures.
The cold heading or cold forming process is a cost effective solution. The shape of the metal is altered to almost match the finished product under cold temperature conditions.
Such as bolts, screws, nuts, rivets and pins, spider, yoker……
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Steel
80mm
+/-0.005mm