Dear Khun Sittipong,
Regarding to your as per PO0484/15, I need to advise you about the item 3(Machine bolt M16).
I got the information from the mill that now the machine bolt B8M is same chemical analysis as SS316 as below and now they did not production machine bolt B8M any more.
I hope you can accept SS316.
I will delivery the SS316 to you because I think you need material urgent and Please kindly check with the end user about this.