https://www.ironworkstech.com/product/grooving-insert-gcm5187mg-ac5015s-solid-carbide-absotech-finish-neutral-0-187-cutting-width-0-906-max-depth-series-gnd/
Grooving Insert: GCM5187MG AC5015S, Solid Carbide Absotech Finish, Neutral, 0.187 Cutting Width,...
Item #: 17660143Brand: SumitomoModel #: 18T5W10 Product Specifications Insert Style GCM Insert Size 5187 Insert Material Solid Carbide Manufacturer Grade...