# Lag Screw 5/16-9 x 2 1/2'' Length - 7/16'' Hex Head High Profile - Zinc

Lag Screw - Full Thread Type A is a high-quality fastening solution designed for durability and ease of use. This screw features a head height of 5/16 inches and is equipped with an indented hex washer head, which allows for a better grip and efficient driving using standard tools. The dimensions of the screw are 5/16-9 with a length of 2-1/2 inches, making it suitable for a variety of garage construction and DIY projects.

The head of this lag screw is 7/16 inches, high profile, ensuring prominent placement for easy access and adjustments during installation or maintenance. Its full-thread design ensures a secure and tight fit, providing strong and reliable fastening for heavy-duty applications.

What sets this lag screw apart is its zinc plating. This feature not only enhances the screw's appearance but also significantly increases its resistance to corrosion and wear. This makes it an ideal choice for both indoor and outdoor applications where durability is a key concern.

Whether you are working on woodworking projects, securing structures, or performing general repairs, the Lag Screw - Full Thread Type A offers the strength and reliability needed to get the job done effectively.

## Details

- **Price:** 2.99 USD - 55.99 USD
- **Vendor:** Express Garage Doors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Single | 2.99 USD | In stock |
| 5 Pack | 4.99 USD | In stock |
| 10 Pack | 7.99 USD | In stock |
| 25 Pack | 16.99 USD | In stock |
| 100 Pack | 55.99 USD | In stock |

## Images

- Frontal view of a single zinc-coated lag screw with a 5/16-9 thread and 2 1/2" length
- angle showing the 7/16" hex head of the 2.5 inch zinc lag screw
- Top-down perspective of the high-profile hex head on a zinc-coated lag screw, emphasizing its compatibility with standard tools for garage door assembly.
- Vertical orientation of a 2 1/2'' zinc lag screw, emphasizing its length and threaded shaft
- Close-up of the 7/16'' hex head on a zinc lag screw, showing the high-profile design
- high-profile hex head lag screws in zinc, grouped to show uniformity in size and threading for secure garage door mounting
- Bulk arrangement of zinc lag screws with precise 5/16-9 threading, each 2 1/2" long, suited for heavy-duty fastening in garage door construction
- Pile of zinc-plated lag screws, 5/16-9 x 2 1/2'', showcasing the quantity and consistent manufacturing.

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> Source: [Express Garage Doors](https://www.expressgaragedoors.com/products/lag-screw-5-16-9-x-2-5-length-7-16-hex-head-high-profile-zinc)
> Updated: 2026-06-17