R-TAC End Mill JJTOOLS CO. LTD,. R-TAC(Diamond Like Carbon) Product InformationManufacturerJJTOOLS CO. LTD,. Keep browsing All products from JJTOOLS CO. LTD,. (2) More in “Milling Tools” (1,406) “Milling Tools” by JJTOOLS CO. LTD,. (1)