... speeds and feeds ,compatible with other tooling. D2306, D2307 Series: NC-Spotting Drills 90 degree: unit:mmEDP NO.Drill DiameterFlute LengthOverall ... .02066D23060808.02579D230610010.02589D230612012.02\30102D230614014.035115D230616016.035115D230618018.040130D230620020.040131D230625025.045138 NC-Spotting Drills 120 degree: unit:mmEDP NO.Drill DiameterFlute lengthOverall ...