I had a hard time finding #4x1" screws so I...I had a hard time finding #4x1" screws so I bought these for back up incase I couldn't find what I needed. I was mostly working with 3/8" thick pieces of wood so I preferred the #4 screws. I did have some 1/2" pieces of wood in the project so these #6's were used for those parts.
by JOHN