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Buy Drills Countersinks Cross Hole 90° Bright

Countersinks

C'sink 90Deg-3 Flute-TiN-14.4mm

Stock Code : BORD3853-14.4

Tools & Gear Drills Countersinks

TRIPLE FLUTE COUNTERSINKS For countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals. The 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. All Bordo Countersinks are made from 100% M35 Cobalt High Speed Steel. Cobalt offers increased wear and heat resistance in alloy steels - stainless steels and other abrasive or difficult materials. This increases tool life in all production applications. Titanium Nitride (TiN) Coated Countersinks have a very hard gold coloured surface finish. This coating is only a few microns thick and is achieved by Physical Vapour Deposition (PVD). This treatment results in reduced friction - greater heat dissipation and reduced cold welding - which means higher speed and feed rates with greatly increased tool life. As with all surface coated tools - performance will deteriorate after resharpening.

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