I know a lot of members on here like to work exclusively in metric so thought some may be interested in these - fresas para router Woodworking Tools Metric Flute Straight Bit Arden Router Bits 1/2*30mm 1/2" Shank Arden A0114588-in Milling Cutter from Tools on AliExpress - 11.11_Double 11_Singles' Day

I can heartily recommend the quality of these bits.