Die Buttons Product Specifications/Features Material : HRC 58-62: HWS(1.2516) / SKD11 / A2 ; HRC 62-64: HSS(1.3343) / SKH51 / M2 ; HRC 62-67: ASP23, ASP30 ; Etc. Coating:TiN ,TiCN ,TiAlN , Etc. Delivery Time depended on the Material and the quantity, For HWS or similar usually 5 Days, For HSS or similar material usually 7-8 Days. Precision Exactly to(+/-0.002),Good Finishing Surface. Details: Die Buttons-Shouldered Type, HSS-Polished Head