D2D2 D1 D1 D2D2D2 D1 D1D1 Thread Milling Tools SOLID THREAD MILLING TOOLS STANDARD – HELICAL FLUTES STANDARD TAPER – HELICAL FLUTES L L L1 L1 MINIATURE TOOLS – FOR HARD MATERIAL MINIATURE TOOLS – GENERAL PURPOSE PARTIAL PROFILE HELICAL FLUTES WITH COOLANT L L1 STANDARD – STRAIGHT FLUTES STANDARD TAPER – STRAIGHT FLUTES L L L1 L1 4