SpyroTec Helical Countersinks from Guhring

SpyroTec Helical Countersinks from Guhring

This innovative, helical HSS and HSCO countersink drastically reduces axial and radial forces that occur during countersinking, due to the unique geometry of the cutting edge design. SpyroTec's convex form and variable pitch cutting edges provide a stable countersinking process and minimal vibration – even when using a hand drill. Available from stock in 90 degree, 82 degree and 60 degree countersinks – also in convenient sets!

August 1, 2022

This innovative, helical HSS and HSCO countersink drastically reduces axial and radial forces that occur during countersinking, due to the unique geometry of the cutting edge design. SpyroTec's convex form and variable pitch cutting edges provide a stable countersinking process and minimal vibration – even when using a hand drill. Available from stock in 90 degree, 82 degree and 60 degree countersinks – also in convenient sets!

For more information, visit the Guhring website here.

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Glossary terms in this article

  • countersinking
    Cutting a beveled edge at the entrance of a hole so a screw head sits flush with the workpiece surface.
  • countersink
    Tool that cuts a sloped depression at the top of a hole to permit a screw head or other object to rest flush with the surface of the workpiece.