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Description
Tree type rubber sprue bases designed to fit standard casting flasks in a range of diameters. Each base features a center hole sized to accept 3/8" sprue wax, making them compatible with sprue wax forms such as Otto Frei #121.508 and #121.524. Available in eight sizes to match flask diameters from 1-3/4" up to 5", these sprue bases are an essential component for investment casting setups.
Features
- Tree type rubber sprue base construction
- Center hole sized to fit 3/8" sprue wax
- Available in eight flask diameter sizes
- Designed to seat securely in standard casting flasks
Specifications
| Type | Tree Type Rubber Sprue Base |
|---|---|
| Center Hole | 3/8" (fits standard sprue wax) |
| Sizes Available | 1-3/4" – 5" diameter |
Available Options
| Part # | Flask Diameter (Imperial) | Flask Diameter (Metric) |
|---|---|---|
| 121.824 | 2" | 50mm |
| 121.825 | 1-3/4" | 45mm |
| 121.826 | 2-1/2" | 65mm |
| 121.827 | 3" | 75mm |
| 121.828 | 3-1/2" | 90mm |
| 121.829 | 4" | 100mm |
| 121.830 | 5" | 128mm |
| 121.882 | 3-3/8" | 85mm |
Specifications
- Brand
- Otto Frei
- Part #
- 121.824
- Type
- Sprue Bases
- Country of Origin
- India
- Dimensions
- 4.5 in x 4 in x 0.5 in
- Center Hole
- 3/8" (fits standard sprue wax)
- Sizes Available
- 1-3/4" – 5" diameter
California Prop 65 Warning:Cancer and Reproductive Harm. www.P65warnings.ca.gov.
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