90° HSS Cobalt Triple Flute Countersink Set

• 5 Piece 90 degree Triple Flute Cobalt Countersink Set.

About Triple Flute Countersink 

• For countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals.
• The three fluted countersinks 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.

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