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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.For countersinking and deburring in a wide range of materials including ferrous and non-ferrous metalsThe three fluted countersink is self centering with wide flutes and is used to provide a heavy chamfer in the entrance to a drilled hole.This may be required to allow the correct seating for a countersunk head screw or to provide the lead in for a second machining operation such as tapping.Use on medium to hard materials.Resharpenable.Gold Finish TiN Coating (Titanium Nitride) helps to dissipate heat and reduces friction and cold welding.The coating allows higher speed and feed rates and tool life is greatly increased.The TiN coating is achieved by Physical Vapour Deposition (PVD).Set contains 10, 20 & 31mm countersinks.
