Screws For Floor Joists

A thicker subfloor takes a 3 inch screw.

Screws for floor joists. Typically the 3 inch variety is used to secure plywood subfloors. Drive the screws approximately 8 inches apart. Use a heavy duty drill to drive phillips head wood screws through the subfloor into the floor joists. Each is available in lengths from 1 1 4 to 3 inches.

The first two of these come with a nice yellow zinc finish while the hillman group screws are unassuming yet tough in basic black. It is important to understand the depth of the screw needed. That way you have enough to go through the subfloor and enough to bite into the joists without going through the joists themselves. In fact if you are attaching a thick subfloor to a thick joist you will want a long screw 2 to 2 1 2.

Instead of using standard deck screws to install hangers consider using specialty screws. According to construction and renovation experts some of the best screws for subfloor include the senco 08200y screws the simpson strong tie screws and the hillman group 48248 subfloor screws. The number refers to the thickness of the screw. The proper steel screw sizes for securing 3 4 inch plywood to the floor joists are 8 10 and 12 screws.