MOC of the Punches and Dies Change:
PUNCH MOC Change from S7 ESR to KTT Chromo
DIES MOC Change D3 to KTT K35 with both side Taper
Increase Head Flat
Design has to be Modified :
Shape changed from BevelConcave to BiConcave&Letter 7 modified for out corner radius
Vacuum heat Treatment with Cryogenic Treatment
US approved as well as FDA approved Coating KTT K193.