Cold forging parts
requires much more strength to form the parts according to hot forging parts, small and medium parts are manufacturing with production method of cold forging. Those parts requires to be final product with forming process by automat, knurling, gearing, stress relieving etc. Cold forging parts requires by forming with 6-7 times according to material yield strength. Those parts are manufactured by closed moulding system.
Your technical drawings of cold forging parts are mostly welcome to be supplied.