• Insert: Grooving Insert MGMN200,External Threading Inserts 11ER A60 ,Turning Insert WCMT050304(WCMT2.521),CCMT060204(CCMT21.51),DCMT070204(DCMT21.51)
  • Material: made of solid carbide with tin coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
  • Designed for Steel, cast iron and non-ferrous materials
  • Used for turning and finishing on a wide range of materials
  • 7 pieces Carbide inserts for replace our 1/2” or 3/8” Lathe turning tool holder set , or other brand same size holder, you can search Asin: B07PLYG1Y4 or B07MDC5LMX and buy tool holders

They fit like they should. Cut very clean threads.