If you assume the drill bit will wander a little,
you need a little built in adjustment.
For stuff that no-one will see, (slightly) oversize holes through the baton,
and a penny washer under the screwhead to hide any 'up & down',
and to spread the holding force.
If you assume the drill bit will wander a little,
you need a little built in adjustment.
For stuff that no-one will see, (slightly) oversize holes through the baton,
and a penny washer under the screwhead to hide any 'up & down',
and to spread the holding force.