When you need to join pieces of wood, doing this first may help the fasteners hold better.
Answer Drilling holes
Drilling holes where you plan to insert screws may help the screws get into the best position possible to hold the wood strongly. Trying to drive screws in may cause them to bend or go in at an angle affecting the integrity of the joint.
Asked by Jennifer Sinclair · Last updated 5 years ago · 149.7K views · SOURCE