The Dormer A225 centre drill range are manufactured from high speed steel for greater strength and rigidity when machining. Designed with spiral flutes, they are available in various lengths and forms to give high quality centre holes that suit most applications. Features and Benefits Manufactured from high speed steel for greater strength when machining Spiral flute design for efficient chip removal Produces holes with a high quality finish Specifications 60 inclusive angle Manufactured to BS328: Part 2:1986, DIN333A, ISO866, ISO2540, ISO2541 Typical Applications Steel Stainless Steel Cast iron Aluminium Brass Plastics