... ~5 3.HSS drills for soft materials 4.HOMO USG, Morse taper shank drills,regular length Application:Drilling into steel , cast steel ... (black oxide finish) D1201:EDP NO.Drill DiameterFlute LengthOverall lengthMorse Taper No.D120129529.51853053D120130030.01853053D120131031.01903103D120132032.01953153D120134034.02053504D120136036.02103554D120138038.02153604D120140040.02203654D120142042 ...