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Number of screws in a box
Size1lb box 5lb box25lb box
#7x1-1/4"210n.a. 5,250
#8 x 1-5/8"130650 n.a.
#9 x 2"90450 n.a.
#9 x 2-1/2"80400 2,000
#9 x 3"65325 1,625
#19 x 3-1/2"55275 n.a.
Screws are sold by weight, not by count. Quantities listed are approximate.

Number of screws required per deck
Board Size Screw Size10' x 14'12' x 14'
5/4 x 4"2", 2-1/2", or 3" 8281,012
5/4 x 6"2", 2-1/2", or 3" 810960
2 x 42-1/2", 3", or 3-1/2" 8281,012
2 x 62-1/2", 3", or 3-1/2" 810960
1 x 4 Lattice 1-1/4", 1-5/8", or 2"140168
Check your local building codes for structural requirements and specifications.

Number of screws required for fences
SizeQuantity of screws
#8 x 1-5/8" 1lb box will do 12ft fence; 5lb box will do 60ft fence
#9 x 2" 1lb box will do 7ft fence; 5lb box will do 35ft fence
For rails and posts, use #8 x 3".
New Pressure-Treated Lumber
There are improvements in wood-preserving technology. They are in response to a growing market demand for less toxic, more environmentally acceptable preservatives for wood.

These new treatments include ACQ and Micronized Copper. ACQ stands for Alkaline Copper Quat. The central ingredient is 100% recycled copper. Alkaline is a natural base, and quat is a fungicide that attacks decay organisms. Micronized Copper treatments utilize copper but in micro-sized particles.

Phillips Fastener is pleased to announce all of the Phillips II Plus Wood Screws and Phillips II Plus Composite Screws are formulated to work with all types of pressure-treated lumber. All three colors – red, tan, and green – can be used.

Tested to Building Code Standards
Phillips II Plus Wood Screws and Phillips II Plus Composite Screws have passed AC257 testing by an ICC-accredited laboratory. Tested to exposure condition 4 (the most severe category of this test).

Lifetime Guarantee
Phillips II Plus Wood Screws and Composite Screws are formulated to prevent rust for the life of your project. The coatings will not prevent staining or streaking related to weather and surface punctures on exterior woods that have not been properly treated and sealed.