# 9 X 2-1/2" Construction screw. Ideal for all exterior/interior applications.  Approx. 483 per plastic container.
Uses a T20 star dive bit.

• Approx length: 2-1/2" or 6.35 cm. #9 shaft
  

Exterior Coating are for use with redwood, cedar and all treated lumber. Follow treated lumber company's recommendations for fasteners. Exterior coated screws are NOT recommended for marine or projects within 5 miles of coastal waters. For such projects use proper Stainless Steel fasteners