Steel Open Grille Security Grilles





















The industry's largest selection of architectural electro-forge welded security grilles. All of our grilles are polyester powder coated in one of our 15 standard colors.
The steel security grilles are available in 7 standard mesh styles steel grilles and 2 standard aluminum grilles or can be fabricated to fit your needs. All steel security grilles are hot-dip galvanized then powder coated. This combination gives you the best protection and allows you to choose from Ametco’s 15 standard colors.
Steel Design | Bar size (A) | Mesh (B) |
Grotto | 1" × 5⁄64" | 1-21⁄32" × 5-3⁄16" |
Shield | 1" × 5⁄64" | 1-21⁄32" × 1-3⁄4" |
Metro | 1" × 1⁄8" | 2-7⁄16" × 5-3⁄16" |
Blockade | 1-3⁄16" × 5⁄32" | 2-7⁄16" × 5-3⁄16" |
Lattice | 1" × 1⁄8" | 2-7⁄16" × 2-19⁄32" |
Stadium | 1" × 1⁄8" | 3-15⁄16" × 3-15⁄16" |
Infill Panels
The following panel designs are common for this type of application. Hover over the panel to view more information about the design.
To go to a page with all the details of the panel, click the name of the panel above the Sweets Tag (shown upon hovering)

Blockade
2-7/16" x 5-3/16" mesh, 1-3/16" x 5/32" main bar and 1/4" cross bars
Blockade

- Material: Steel
- Application: Fence, Gates, Railing, Window Guard, Security Grille
- Style: Open Grille
- Security: High
- Price: $$

Grotto
Grotto Design steel security grilles are 1-21/32" x 5-3/16" mesh with 1" x 5/64" main bar and 3/16" round cross bar
Grotto

- Material: Steel
- Application: Fence, Gates, Railing, Window Guard, Security Grille
- Style: Open Grille
- Security: High
- Price: $$

Lattice
2-7/16" x 2-19/32" mesh, 1" x 1/8" main bar, 3/16" round cross bar, galvanized and powder coated
Lattice

- Material: Steel
- Application: Gates, Railing, Window Guard, Security Grille, Fence
- Style: Open Grille
- Security: High
- Price: $$

Metro
Metro Design 2-7/16" x 5-3/16" mesh, 1" x 1/8" main bar and 3/16" round cross bar
Metro

- Material: Steel
- Application: Fence, Gates, Railing, Window Guard, Security Grille
- Style: Open Grille
- Security: High
- Price: $$

Shield
Steel fence with 1-21/32" x 1-3/4" square mesh, 1" x 5/64" main bar and 3/16" round cross bar, galvanized and powder coated
Shield

- Material: Steel
- Application: Fence, Gates, Railing, Window Guard, Security Grille
- Style: Open Grille
- Security: High
- Price: $$

Stadium
Stadium Design steel security grilles are 3-15/16" x 3-15/16" mesh with 1" x 1/8" main bar and 3/16" round cross bar
Stadium

- Material: Steel
- Application: Fence, Gates, Railing, Security Grille
- Style: Open Grille
- Security: Medium
- Price: $$
CAD Drawings
Ametco provides CAD drawings in various formats to add to your project spec. Click the name or icon of the desired format to download.
To view a larger version of the thumbnail image, click the magnifying glass after hovering over the image.