Choose by Hole Pattern

Round Hole Perforated Metal

Round openings as a selection direction. Aperture, pitch, arrangement and margins define the panel layout.

SELECTION GUIDE

Understand the Dimensions Before You Specify

Use this guide to prepare your inquiry. Available sizes, materials, fabrication methods and suitability require drawing review.

Perforated sheet opening, pitch and margin diagramOriginal schematic, not to scale; no actual specification values are shown.PxPyMD opening sizet
Original dimension schematic · Not to scale; no specification, stock or load rating is implied. t illustrates thickness in side view. Perforated holes show a straight layout; confirm the actual arrangement on drawings.
ParameterMeaningWhat to provide
D / a / L × B · opening sizeUse diameter for round holes, side length for square holes, and overall length × width for slots.State hole shape, dimensions and units; provide drawings for special patterns.
Px / Py · pitch & arrangementCentre-to-centre spacing; the arrangement affects the panel layout.Give pitch in both directions, straight / staggered layout and orientation.
M · unperforated marginSolid material from the panel edge to the nearest opening edge.Confirm each margin, fixing holes and bend locations.
t, L × W · thickness & panel sizeMaterial thickness and overall sheet dimensions.Give material grade, thickness, panel dimensions and finish requirements.

Still Choosing Your Specifications?

Start with the application, indoor or outdoor conditions, quantity and destination. Attach drawings if available, and distinguish pitch, clear opening and thickness definitions.

For load bearing, barriers or machinery guards, project requirements must establish loads, supports, connections and applicable standards. Mesh diagrams do not replace engineering or safety validation.

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Related Application Concepts

Project technical requirements determine use, structure and applicable standards.

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