Brad point bit 8mm
The Brad point bit 8mm, is a useful box making router bit. It is typically used to drill 8mm holes in a 12mm thick back frame, to later insert 8mm diameter barrel hinges. See item B in the main image.
How to use the Brad point bit 8mm:
- The box carcass dimensions for a large jewellery box would typically be 12mm for the back wall and 10mm for the sides and the front. See your jig instruction manual on how to combine two timber thicknesses in the same frame.
- After you cut the frame to size, measure for the depth of the box lid. Be sure to also make allowance for the depth of the hinges in the base.
- Now pre-drill two deep holes in the back frame. So, when you cut the lid from the frame, both sets of holes will line up for the hinges.
- Take care, when drilling for the 8mm barrel hinges, to allow 2mm of timber each side of the hole in the frame back. This method will ensure strength and evenness.
- The above techniques are based on the plan for the Gifkins large jewellery box. Click here for details.
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