Quote:
|
Originally Posted by steveo Self centering drill bit used for drilling holes for attaching hinges or other metal fasteners. The spring mechanism holds the base so the drill will drill the hole absolutely concentric to the hole in the fastener.
steveo |
+++++++++++++++++++++++++++++
Winner
+++++++++++++++++++++++++++++
In deed you have done it again!
50 points are on the way!
Anyone want to follow up with the common name for these?? Well at least common in the US and if you have a name in where ever you live share that as well...... no points but you will have our thanks.
Ed