4 mm Carbide Endmill 50/75/100 LONG 65 HRC 4 Flutes PACK OF 1 300mm caliper you can use JDMW09 from

you can use  JDMW09 from Mitsubishi Brand Insert into this

durability

CHOOSE SIZE AS PER SHANK SIZE

purchase the OTT retention knob/pull stud and replace the pull stud to convert the holder from BT40 to a standard SK holder for a conventional machine

4 mm Carbide Endmill 50/75/100 LONG 65 HRC 4 Flutes PACK OF 1 300mm caliper you can use JDMW09 from4 mm Carbide Endmill 65 HRC 4 Flutes PACK OF 1 Check the 2nd image for dimensions 65HRC carbide endmills are made with a high quality raw material of 0. 005 microns of grain size. Helix Angel of 35 degrees, Suitable material grades to use on STEEL, STAINLESS STEEL, CAST IRON, AND TITANIUM 4 FLUTES, ALCR TIN COATING, tolerance of diameter is below 30 microns