Wiktionary
predrill
vb. To drill through a substrate for the purpose of readying it for a second drilling, this time with the purpose of emplace the desired input.
Usage examples of "predrill".
The planks, which were used to extend the basic dugout into a larger boat, were bent to fit the curved hull using heat and steam, and then literally sewn on, usually with willow through predrilled holes, and pegged to solid prow and stern posts.