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.

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

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

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

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

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

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
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.