RO-217 Round Straight Perforated Stainless Steel Sheet

Technical Resources

RO 217PDF
ISO Certified9001:2015 Standards
QC Verified100% Pattern Accuracy

Need Engineering Support?

Our technical team can help with custom pattern calculations and material selection.

Speak with an Engineer
In Stock & Ready to Ship

RO-217 Round Straight Perforated Stainless Steel Sheet

RO-217 fits architectural grids, equipment screens, and repeatable ventilation panels where the drawing calls for Straight Centers, 0.045" Round, 0.066" centers, 0.021" bar width in Stainless Steel (SS), Type 304 (304), Mill Finish.

Its 36% open area balances airflow and visibility while leaving enough web for many guarding layouts; engineering review should also reference 36% open area, 226.35 holes per square inch, 26 Gauge (.0187" Thick) max thickness, 0.50 Lbs./Square Foot sheet weight.

The stainless substrate is appropriate when corrosion resistance, washdown exposure, or visible finish quality drives the specification.

Use it in Sheet with Sheared Through Both Ends and 36" x 96" (Cut Sizes Available); quotation checks should confirm cut edges, flatness, and finish protection before production release.

Quality Guaranteed
ISO 9001:2015 Certified
Fast Shipping
Global Logistics Network
Sample Request

Technical Specifications

Item numberRO-217
Holes Per Square Inch226.35
Primary MaterialStainless Steel
Material FinishMill Finish
Open Area36%
Hole Center0.066"
Weight0.50 Lbs./Square Foot
Max Thickness26 Gauge (.0187" Thick)
Hole ArrangementStraight Centers
Hole typeRound
Alloy, Grade or TypeType 304 (304)
End PatternSheared Through Both Ends
Hole size0.045"
Bar Width0.021"
Product FormSheet
Size36" x 96" (Cut Sizes Available)
Certified Industrial Grade
Surface & Color Options

Surface Treatments & Color Samples

Review coating colors and metal finish samples for PVDF, powder coating, anodizing, and natural metal finishes before sampling or production.

RO-217 Round Straight Perforated Stainless Steel Sheet Mill Finish
Current Product Finish

Mill Finish

AAMA / exterior color

PVDF Fluorocarbon

Architectural exterior coating for long-term weatherability, UV exposure, and stable color performance.

RAL / custom color

Electrostatic Powder Coating

Wide RAL color range with matte, fine-texture, and branded color options for custom production runs.

Metallic tone

Anodizing

Metallic aluminum finish options that retain the substrate character in clear, champagne, bronze, or black tones.

Natural metal

Natural Metal & Galvanized

Mill, brushed, galvanized, and clear-seal finishes keep the metal character visible while adding project-specific corrosion protection.

Custom Color Match

Select the finish around exposure, target color, and inspection sample. We can match RAL colors, metallic tones, or natural metal textures before production.

Technical Documentation

Product Data

Engineered for
Performance

Our perforated metal products are produced by punching a series of patterns in a solid material. These patterns can be round, square, rectangular, or decorative depending on your specific requirements.

We offer a wide range of styles to suit any industrial or architectural need, from lightweight decorative elements to load-bearing structural components.

Material Versatility

Aluminum, Stainless Steel, Carbon Steel, Galvanized, Brass, and Copper.

Pattern Precision

Advanced CNC punching ensures sub-millimeter accuracy across all patterns.

Ready to specify Kingcats?

Connect with our engineering team for technical support, custom samples, and competitive factory-direct pricing.