90° HSS Cobalt Single Flute Countersink Set

• 5 piece 90 degree Single Flute Cobalt Countersink Set

About Single Flute Countersinks

• For countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals.
• The fluted countersink cutter 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 light to medium 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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