ACTOOL HSS 4-30MM Straight Flute Step Drill Bit

Description

The flutes of ACTOOL high performance step drills are CBN ground from the solid hardened form. Because CBN (cubical boron nitride) is a much harder abrasive than even silicium carbide or corundum, a better and sharper cutting edge is achieved - without burrs.And, with higher dimensional precision the drills will last considerably longer while main-taining the precise process tolerances. This durable and versatile tool will center, spot-drill, bore and debur - all in one smooth, high performance working cycle. lProduce good quality holes in a wide variety of material lEnlarging holes in sheet metals without the need of center punch or pilot lUsing either a bench drill or light pedestal drilling machines lMaterial: HSS M2 lSurface finish: TIN coated lFlute shape: Straight flute lShank style: three flatted shank