Description
The Tooltos 3 Inch Stainless Steel Vacuum Casting Flask is constructed from premium 304 stainless steel with strategic perforations and a flanged design — enabling optimal vacuum airflow for bubble-free, detailed castings. Available in 6 height options (3.5–8 inch) to match different jewelry sizes and production volumes.
Key Features
- Premium 304 Stainless Steel — Durable and resilient under high temperatures up to 1150°C. Built for repeated professional use.
- Strategic Perforations — Optimal airflow aids the vacuum system in removing air pockets for flawless, detailed castings.
- Flanged Design — Ensures airtight connections and precise alignment within the casting setup for consistent vacuum performance.
- 6 Height Options — 3.5, 4, 5, 6, 7, or 8 inch heights to accommodate different piece sizes and batch volumes.
- Rubber Base Included — Stable support and reliable vacuum seal during casting operations.
Technical Specifications
| Diameter | 3 inch (76 mm) |
| Available Heights | 3.5", 4", 5", 6", 7", 8" |
| Material | 304 Stainless Steel + Rubber Base |
| Heat Resistance | Up to 1150°C |
Height Selection Guide
| Height | Best For |
|---|---|
| 3.5–4 inch | Thin rings, small studs, flat pieces |
| 5–6 inch | Standard rings, small pendants |
| 7–8 inch | Larger pieces, batch casting of multiple small items |
What's Included
- 1 × 3 Inch Perforated Stainless Steel Casting Flask (selected height)
- 1 × Rubber Base
Support
For technical questions or assistance, contact the Tooltos support team at sales@tooltos.com or via live chat at www.tooltos.com. Responses are typically provided within 2 hours.


