Page 147 - Demo

145GENERAL PURPOSE DRILLINGExplanation of Solid Carbide Drills Description Example:SCCD 040 017 060 A C P 31 2 3 4 5 6 7 81 Designation of Drilling BodySCD %u2014 solid carbide drill with 2 flutesSCCD %u2014 solid carbide drill with 3 flutes2 Cutting Diameter (DC) DC3 Usable Length (LU) LU4 Connection Diameter MachineSide (DCONMS) DCONMS5 Shank TypeA %u2014 cylindrical shank6 CoolantIf not specified %u2014 external coolantC %u2014 internal coolant7 Cutting GeometryP %u2014 cutting geometry for steel8 Functional Length to Diameter Ratio (LU/DC)3 %u2014 functional length is 3 times the cutting diameter of the drillBasic Dimensions of Solid Carbide DrillDCONMS h6DCOALLCF LSPLLUDC %u2014 cutting diameter DCONMS %u2014 connection diameter machine sideLU %u2014 usable lengthLCF %u2014 length chip fluteOAL %u2014 overall lengthLS %u2014 shank lengthPL %u2014 point lengthKCH %u2014 corner chamfer angleCHW %u2014 corner chamfer width