Milling T-slots

When cutting T slots with a Woodruff cutter, after the initial groove has been cut with a straight milling cutter, are there any

T-slot seems to be at the smallest end of the T-slot world so cutters do not seem to be readily available I could cut larger slots but

slot milling machine T-SLOT MILLING CUTTERS CIRCULAR MILLING CUTTERS TZ18 ET90 For high performance T-slot milling with high feed rates and depths of cut Also suitable for

t slot milling cutter diagram 1 Face Milling Cutter · 2 Side Milling Cutter · 3 End Milling Cutter · 4 Gang Milling Cutter · 5 Woodruff Key Slotting Cutter · 6 T-Slot Cutter