Dormer A901 5.50MM HSSE Smooth Flow S/S Jobber Drill 6XD

High Speed Cobalt (HSS-E) provides superior hot hardness when drilling 130 degree special point provides self centering, low thrust and easier penetration Parabolic flute design aids swarf removal and cooling when drilling long chipping materials TiAlN Coating increases surface hardness, wear resistance and improves tool life Precise grinding enables hole tolerances of H9 to be achievable