Countersinks: Difference between revisions
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Created page with "Countersinks are the tools to create countersinks! These tools make holes conical to let appropriately shaped ("countersunk"...) screws, rivets or other fasteners sit flush with the surface. In German, the terms ''Senker'' for the tool and ''senken'' for the operation make it a bit clearer ;-) Similar: [https://en.wikipedia.org/wiki/Counterbore counterbores] (flat-bottomed holes or - again - the tools to cut them) == Types == Countersinks for wood and metal, but al..." |
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Latest revision as of 13:05, 11 December 2025
Countersinks are the tools to create countersinks!
These tools make holes conical to let appropriately shaped ("countersunk"...) screws, rivets or other fasteners sit flush with the surface.
In German, the terms Senker for the tool and senken for the operation make it a bit clearer ;-)
Similar: counterbores (flat-bottomed holes or - again - the tools to cut them)
Types
Countersinks for wood and metal, but also different metals, may be very different. Make sure to pick the correct one for your project!
<<add photos here>>
Sizes
For metric screws, you need a countersink angle of 90° and the following diameters:
- M3: ?
- M4: ?
- M5: ?
- M6: 12.4 mm
- M8: ?
- M10: ?
