To replace gutter spikes with screws simply remove the old gutter spike and insert the screw through the existing hole in the front of the gutter.
Replace gutter nails with screws.
After removing the nails pins the new screws feel solid enough to hang off the gutter to do pull ups.
If the nail is loose simply pull it out from the side of the gutter.
Acquire the right hardware 3.
Tear out the nails 4.
Inspect your gutters 2.
Get a gutter screw.
Do not let the ferrule slip away or fall off from the roof.
Work with one nail at a time.
If it is still secured firmly use a claw hammer to pull it off.
However as the screw threads are larger than the original nails that s why you bought them you need to ensure that the depth of the hole is correct.
Slide it into the hole on the side of the gutter and into the ferrule.
Snug the screw up to the gutter being careful not to over tighten it.