Square flat head nibs

Wood screws, Square flat head w/nibs, type 17, Lubricized finish steel

Wood screw diameter is measured on the outside of the threads.

Square flat head w/nibs type 17

Wood screws, Square flat head w/nibs, type 17, Lubricized finish steel

Diameter

See also

Deck screws & Timber screws

Deck screws & Timber screws

Screws for wood to wood fastening applications such as decks, docks, and ledgers, etc.