#8 x 3 in. Exterior Deck Screws – 5 lb. Box (Model 42678) – 10‑Year Coated Phillips Drive
The Model 42678 #8 x 3 in. Deck Screws are designed for dependable, long‑lasting fastening in outdoor wood construction. Featuring a durable 10‑year weather‑resistant coating, these screws provide protection against corrosion, moisture, and harsh environmental exposure, making them ideal for use with pressure‑treated lumber and long‑term exterior applications.
With their balanced #8 gauge diameter and extended 3‑inch length, these screws deliver strong hold while reducing the risk of splitting thinner or softer wood materials. The aggressive coarse threading and sharp fast‑start point ensure efficient driving and reliable grip. The Phillips drive head offers steady bit engagement, minimizing cam‑out during installation. Packaged in a 5‑lb contractor box, this quantity is perfect for deck installations, fencing, outdoor framing, and general exterior carpentry.
Key Features
10‑Year Exterior Protective Coating Provides reliable resistance to rust, corrosion, and moisture for long‑lasting durability outdoors.
#8 Gauge Shaft Offers strong fastening performance without over‑driving or splitting most wood types.
3‑Inch Length Ideal for deck boards, medium‑thickness lumber, fencing, and general outdoor construction.
Phillips Drive Head Ensures dependable driver alignment and reduces cam‑out during fastening.
Coarse Deep‑Cut Threading Delivers excellent bite, long‑term stability, and resistance to loosening.
Sharp Fast‑Start Point Enhances driving speed, reduces splitting, and often removes the need for pre‑drilling.
Bugle/Flat Head Style Countersinks cleanly into wood for a smooth, professional finish.
5‑Pound Box Packaging Ideal bulk size for contractors and multi‑section exterior building projects.
Specifications
Model Number: 42678
Screw Size: #8
Length: 3 inches
Material: Hardened steel
Finish: 10‑year exterior‑grade protective coating
Drive Type: Phillips
Head Style: Bugle/flat countersinking head
Thread Type: Coarse wood thread
Point Style: Sharp fast‑start tip
Package Weight: 5 lbs (exact screw count varies by weight)
Use Rating: Exterior; compatible with pressure‑treated lumber
Recommended Applications
These versatile screws are perfect for a broad range of outdoor woodworking projects, including:
Deck board installation and repairs
Fencing panels, rails, and gate construction
Exterior framing, joist work, and sub‑structures
Pergolas, trellises, and yard structures
Exterior stair treads, risers, and framing components
Outdoor furniture construction or reinforcement
General exterior home improvement and carpentry tasks
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