Skip to content
Products — Round Hole Perforated Sheet

Round Hole Perforated Sheet

High-performance round-hole sheets engineered in staggered 60-degree configurations for optimal open area airflow ratio.

Technical Outline

  • Pattern IndexCNC-PRECISION
  • Form FeasibilitySheets, Coils, Cut-Sizes
  • Standard Pitch Feasibility0.5mm — 100mm
  • Available MaterialsSS, MS, GI, Alum, Brass, Copper
  • Tolerances±0.05mm (Micron Level)
Perforated Sheets

Round Hole Perforated Sheet

Designed for aerodynamic and hydro-dynamic efficiency, our Round Hole Perforated Sheets are produced in staggered 60-degree configurations. This classic geometry optimizes the open area airflow ratio, reducing backpressure while maintaining high structural rigidity. Manufactured with absolute dimensional control, these sheets provide precise sorting boundaries and uniform fluid permeability across high-flow filtration beds.

Key Features

Optimized staggered 60-degree configurations for uniform stress dispersion
Maximum open area airflow ratio for optimized fluid and air passage
Compliance with ASTM standard hole patterns and pitches
Available with mill test certifications and chemical assay reports

Common Applications

High-vacuum and micron-level filtration efficiency setupsAerospace heat shields & high-vacuum filtration gridsHVAC air diffuser systems and acoustic ceiling tilesAgricultural sizing, sorting, and husking operations

Request Custom Dimensions

Need custom perforation patterns, material grades, or specialized sheet dimensions? Our design team is ready to fabricate to your specific blueprint.

Configure Quote
B2B Precision Center

Industrial Specification Calculator

Hole Parameters

Hole Size / Diameter (D)3.0 mm
0.5 mm20.0 mm
Center-to-Center Pitch (P)5.0 mm
1.0 mm40.0 mm
Engineering Calculation Model:

Formula: Open Area % = (D² × 90.69) / P². Staggered 60-degree orientations represent the optimal industrial standard for uniform load-bearing distributions and airflow pathways.

Computed Flow Density
32.65%Theoretical Open Area
Interactive Pattern Density Matrix
* Orange accent highlights center staggered coordinates.

Material Specification Matrix

Material TypeThickness RangeMax Width feasibilityHole PatternsSurface Finishes
Stainless Steel (SS 304, 316)0.4mm to 10.0mm1500 mmRound, Square, Hex, Custom slots2B, Hairline, Mirror Polish
Mild Steel (MS) / Carbon Steel0.5mm to 16.0mm2000 mmAll geometrical profilesOiled, Powder Coated, Primer
Galvanized Steel (GI)0.4mm to 4.0mm1500 mmStandard patternsRegular Spangle, Chromated
Aluminium (Grade 1000 - 6000 series)0.5mm to 6.0mm1500 mmSquare, Round, Facade shapesMill Finish, Anodized, PVDF
Specialty (Brass, Copper, Titanium)0.3mm to 3.0mm1000 mmAcoustic, Fine decorativeNatural, Polished

* Note: Custom sizes, raw material grades, and perforating dies can be machined in-house for unique requests.

Explore Other Categories

Metal Perforated Sheets
Perforated Sheets

Metal Perforated Sheets

Precision-engineered industrial metal perforated sheets, offering optimized tensile shear and load distribution ratios for rigorous mechanical environments.

Perforated Sheet
Perforated Sheets

Perforated Sheet

Industrial-grade perforated sheets manufactured with CNC micro-punching tolerances (±0.05mm) for flawless mechanical alignment.

Get Started Today

Ready to Start Your Project?

Partner with Ashokraj Industries for precision perforated metal solutions. Contact us for custom quotes and engineering consultation.