Regarding as I discussed via phone.
Could you please support us to send hardness checking method of new pin materail to me.
I would like to confirm the detail.
Refer to last meeting at SPM.
I would like to inform for Hardness requirement of MMTh.
MMTh requirement for hardness of pin is 91.5 HRB or more than
So, Hardness 93-97 HRB of pin is OK for mass production.
Anyway could you please send Hardness checking result after Forging of PIN materail SWCH20K + Anealing process to me for reference as your information.
Reference.