Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm
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Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mmStainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm

Stainless Steel Round Disc Blank — A2 Grade, φ3mm–φ150mm, Ultra Thin 0.1mm–2mm

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Beschreibung

Stainless Steel Round Disc Blank — Precision Flat Stock for Shimming, Fabrication & Craft

Whether you're shimming a bearing housing, spacing a mechanical assembly, or cutting custom gaskets, finding the exact diameter and thickness in a corrosion-resistant material is rarely straightforward. These stainless steel round disc blanks are stocked in an extensive range — φ3mm through φ150mm outer diameter, with thicknesses from 0.1mm to 2mm — so you can match your spec without custom ordering or minimum-quantity commitments.

Each disc is cut from A2 grade (304 equivalent) stainless steel sheet. The range covers diameters from 3mm (≈1/8") up to 150mm (≈5.9"), with thicknesses from 0.1mm (≈0.004") to 2mm (≈0.079"). Packs are available in quantities of 2, 5, 10, 20, or 50 pieces depending on the size selected, making it practical to order exactly what a job requires.

Typical applications include precision shim stock for machinery and equipment alignment, blank discs for laser engraving and metal craft projects, gasket blanks for plumbing and HVAC assemblies, and flat spacers for electronics enclosures and panel fabrication. The unthreaded, undrilled blank format makes these discs adaptable to a wide range of DIY and light industrial uses.

ℹ️ Compatibility Note: These are unthreaded, undrilled blank discs. No holes are pre-cut. Suitable for shimming, spacing, gasket blanking, and custom machining. Verify your required diameter and thickness before ordering — see variant selector above.

✅ Key Features of These Stainless Steel Round Disc Blanks

  • 🔩A2 Grade Stainless Steel — Made from 304-equivalent A2 stainless steel sheet, offering reliable corrosion resistance in indoor, outdoor, and mildly humid environments without surface treatment.
  • 📐Wide Size Range — Available in outer diameters from φ3mm (≈1/8") to φ150mm (≈5.9") and thicknesses from 0.1mm to 2mm, covering shim stock, gasket blanks, and structural disc applications in a single listing.
  • ✂️Machinable Blank Format — Undrilled and unthreaded flat discs that can be laser-cut, drilled, punched, or CNC-machined to your exact specification using standard tooling.
  • 📦Flexible Pack Quantities — Order in packs of 2 to 50 pieces to match your project volume, from single-use repairs to small production runs of precision shim washers or metal craft blanks.
  • ⚖️Consistent Thickness Tolerance — Sheet-cut discs maintain consistent thickness across the face, which is important for shimming applications where stack height accuracy affects alignment or clearance.
  • 🚢Ships from US Warehouse — Stocked and fulfilled domestically for faster delivery to US addresses, with no extended international lead times on standard orders.

📐 Technical Specifications — Stainless Steel Round Disc Blanks

Material A2 Grade Stainless Steel (304 equivalent)
Form Blank round disc (no holes, no threads)
Outer Diameter Range φ3mm (≈1/8") – φ150mm (≈5.9")
Thickness Range 0.1mm (≈0.004") – 2mm (≈0.079")
Available Pack Sizes 2, 5, 10, 20, or 50 pcs (varies by size)
Surface Finish Mill finish (standard sheet stock)
Tensile Strength (typical) ≈515 MPa (A2/304 grade)
Yield Strength (typical) ≈205 MPa (A2/304 grade)
Magnetic Generally non-magnetic (austenitic grade)
Hole / Thread None — blank disc
Country of Origin See variant options
Certifications Contact us to confirm
⚠️ Spec Confirmation: Thickness and diameter tolerances follow standard sheet-cutting practices. If your application requires tight dimensional tolerances (e.g., ±0.01mm), please contact us before ordering to confirm suitability.

❓ Frequently Asked Questions

How do I choose the right diameter and thickness for my project?

Match the diameter to your bore, housing, or cutout size. For example, a φ20mm (≈0.79") disc fits a 20mm bore. For thickness, thinner discs (0.1–0.3mm) are typically used as shims, spacers, or gasket blanks; thicker discs (0.5–2mm) suit structural blanks, craft bases, or load-bearing applications. Common inch equivalents: φ25mm ≈ 1", φ50mm ≈ 2", φ100mm ≈ 4".

What load or pressure can these stainless steel discs handle?

A2 (304) stainless steel generally has a tensile strength of around 515 MPa and yield strength of approximately 205 MPa. Actual load capacity depends on disc diameter, thickness, and support conditions. For critical structural or pressure applications, consult an engineer to confirm suitability for your specific use case.

Are these discs suitable for outdoor or marine environments?

A2 grade stainless steel offers good corrosion resistance in most outdoor environments, including rain, humidity, and mild coastal conditions. For highly aggressive marine or chloride-rich environments, A4 (316) grade is generally recommended. These discs are well-suited for indoor industrial, workshop, and light outdoor applications.

What thread or interface standards are these discs compatible with?

These are unthreaded blank discs with no pre-drilled holes. They are compatible with any application requiring a flat circular blank — including shim stock, gasket blanks, craft substrates, or custom machining stock. Drilling, punching, or laser cutting can be performed after purchase to suit your specific interface or bolt pattern.

Can I cut, drill, laser engrave, or machine these discs?

Yes. A2 stainless steel is machinable with standard HSS or carbide tooling. Thinner discs (0.1–0.3mm) are well-suited for laser cutting and etching. Thicker discs (0.5–2mm) can be drilled, punched, or CNC-machined. Use cutting fluid when drilling to extend tool life and improve cut quality.

How do I select the right pack quantity?

Pack sizes range from 2 to 50 pieces depending on the diameter and thickness selected. Smaller packs (2–5 pcs) are available for larger diameters (55mm+), while smaller diameters (3–15mm) are typically available in packs of 50. Larger packs offer better per-unit value for production runs or repeat repairs.

What surface finish do these discs have, and can it be changed?

These discs have a standard mill finish typical of A2 stainless steel sheet stock — generally smooth and consistent, suitable for most functional applications. If a polished or brushed finish is required, light sanding or buffing can be applied after purchase using standard abrasive pads or a bench grinder with a polishing wheel.

🛒 Select your diameter and thickness above, then add to cart — ships from our US warehouse.

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