Hillman 3/8-in x 4-in Hot-Dipped Galvanized Hot-Dipped Galvanized Hex -Head Exterior Lag screws
Item #63440 |
Model #812204
The hot-dipped galvanized coating is designed for use in highly corrosive environments such as coastal areas or heavily polluted atmospheres
Common applications include retaining walls, deck frames and outdoor play equipment
Pre-drill holes to prevent splitting or snapping; see product package for pre-drilling instructions
Conforms to ASTM A153 specifications
General | |||
|---|---|---|---|
Finish | Hot-dipped galvanized | Use Location | Exterior |
Manufacturer Color/Finish | Hot-Dipped Galvanized | Number of Pieces | 1 |
Type | Lag screws | Head Type | Hex |
Material | Steel | Thread Type | Coarse |
Package Quantity | 1 | Fastener Speed Code | NBH |
Grade | 2 | Point Type | Standard |
Dimensions | |||
|---|---|---|---|
Length Measurement | 4-in | Screw Thickness | 3/8-in |
Features | |||
|---|---|---|---|
Coated | No | Multi-Material | Yes |
Drive | Hex | Self-Drilling | No |
Fastener Plating | Steel | Self-Tapping | No |
Materials Fastened | Universal | ||
Certifications | |||
|---|---|---|---|
ACQ Approved | Yes | CA Residents: Prop 65 Warning(s) | |
ACQ Coated | No | ||
Warranty | |||
|---|---|---|---|
Warranty | None | ||
Compatibility | |||
|---|---|---|---|
For Use on Plastic | No | For Use on Concrete | No |
For Use on Composite | No | For Use on Drywall | No |
For Use on Metal | Yes | For Use on Brick | No |
For Use on Wood | Yes | For Use on Vinyl | No |
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 31161500 | ||
Check out the Best Selling Lag Screws on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these lag screws for exceptional durability and corrosion resistance in outdoor applications. Most highlight the galvanized finish and hot-dipped coating as essential for long-term weather protection on decks, fences, and structural framing. Reviewers consistently note the screws hold under significant load, sink in with ease, and arrive in exact sizes needed. Many emphasize the precise hex heads and reliable performance even in tough materials. A few report isolated issues like bent bolts or coating inconsistencies, but these are rare. Overall, customers trust these screws for demanding outdoor projects.
Customer review summary generated by AI, including incentivized reviews.Great holding power
Great lag bolts. Perfect coating on finish, no rough spots or sharp areas.
Verified Purchaser
Good solid hold
Hardware is exactly what I needed to complete my project
Verified Purchaser
Galvanized screws
Just what I needed
Verified Purchaser
Strong Exterior Lag Screw for Heavy Duty Use
The Hillman 3/8-in x 4-in Hot-Dipped Galvanized Hex Head Lag Screws are solid structural fasteners intended for heavy-duty outdoor and wood-to-wood connections. They’re commonly used in framing, deck construction, fencing, and other load-bearing exterior applications. The hot-dipped galvanizing provides good corrosion resistance, making them suitable for outdoor exposure where moisture and weather are a factor. The coating is thicker than basic zinc plating, which adds durability over time in t...
Verified Purchaser
Lag the deck
It worked the way they were designed to do
Verified Purchaser
Worked great
these were great for a outside structure i needed to build
Verified Purchaser
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