Outlines of Drilling Tools

Type of MachiningTypical Work MaterialTypeShapeConstructionFeature
General DrillingVarious steels, ductile cast ironDSC-SSolid with spiral oil holesFor deep hole and high efficiency drilling of L/D ratio 3-6. Its performance is 7-10 times to high speed steel drill.
-L
Various steels, normal cast ironTSDBrazed type with oil holeWith high rigidity and good chip control, high feed cutting is possible. With oil hole type.
TDRTAC drill (common use of tool rotation and fixed)Uses coated indexable inserts and can perform high speed cutting. L/D ratio <2, tool revolution or fixed tool of common type.
TDJTAC drillDrilling efficiency is equal to brazed tip drill with oil hole. Max. drill depth up to 2.0 x dia.
Cast iron, light alloysFDC Drills-SSolid, straight flute type with oil holeFor high feed deep drilling. Max. drill depth up to 8.0 x dia.
-L
Deep hole drillingVarious steels, cast iron, light alloysGun DrillsBrazed typeFor high accuracy deep hole drilling. General purpose type applicable to many kinds of work material.
MC Gun DrillsBrazed typeFor deep hole (L/D 5-20) drilling. By without guide bush and lower pressured cutting fluid.
Various steels, cast ironTDPTAC drill, with pilot drillA pilot drill is attached on the top and tool rigidity at time of cutting is high. Internal oiling type. L/D ratio 2-5 drilling.
Various steels, stainless steelSF·SF-A Gun DrillsBrazed typeFor high accuracy deep hole drilling. By unique chip breaker high feed drilling of steel material possible.
Cast iron, light alloysHF Gun DrillsBrazed typeFor high accuracy deep hole drilling. With double cutting edge high feed drilling of cast iron and light alloy possible.
Finishing(for deep hole)Various steels, cast iron, light alloysGun ReamersBrazed typeFor high accuracy finish working of deep hole.




List of TAC Inserts (for TAC Drills)

ShapeApplicable TAC drills
TAC Drills
TDR
TAC Drills
TDR
TAC Drills
TDP
TAC Drills
TDJ
TAC Drills
TDJ