ARMOUR TOOLING - 6 Piece Countersink Drill Bit Set - HSS Titanium CBN Ground - 90 Degrees - 6.3/8.3/10.4/12.4/16.5/20.5mm - For Aluminium Wood Plastic Or Steel - 3 Flute - Chamfering And Deburring

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  • QUALITY CONTROL - We have a very strict quality control system ensuring each product is thoroughly inspected using state of the art equipment during and after manufacturing.
  • COUNTERSINK SET - Used by professional Engineers or tradesmen to cut a 90 degree hole to allow head of a bolt rivet or screw to sit below the surface of the material or simply just to de burr rough edges of a hole.
  • HSS TITANIUM - The Titanium coating on the cutter maximises service life and gives the cutter a smooth surface finish to prevent material build up and wear. 3 Flute CBN ground design provides chatter free machining.
  • MULTI PURPOSE - Countersink drill bits can be used in a machine or hand power tool, use at a reduced RPM to normal drilling to optimise performance and use cutting fluid when working with metal.

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