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Sprue Base "Universal" For 2-1/2", 3", & 3-1/2" Diameter Flasks - Otto Frei
Otto Frei

Sprue Base "Universal" For 2-1/2", 3", & 3-1/2" Diameter Flasks

Part # 121.780 24 In Stock Weight -- lb / -- g
$5.50
Volume pricing
Total qty Discount Per unit You save
1 – 2 — $5.50 —
3 – 4 5% off $5.22 $0.28
5 – 9 10% off $4.95 $0.55
10 + 12% off $4.84 $0.66
Add 2 more for 5% off, saves another $0.28 each.

The Universal Rubber Sprue Base is a practical, versatile solution for investment casting setups. Designed to fit multiple flask sizes, this single sprue base accommodates 2-1/2", 3", and 3-1/2" diameter flasks — eliminating the need to stock separate bases for each flask size you use.

Features

  • One sprue base fits three common flask diameters: 2-1/2", 3", and 3-1/2"
  • Universal fit reduces the need for multiple size-specific bases
  • Rubber construction for a secure, flexible seal against the flask
  • Compatible with standard casting flask setups used in jewelry production

Specifications

Compatible Flask Diameters 2-1/2", 3", 3-1/2"
Material Rubber
Quantity 1 sprue base
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Brand
Otto Frei
Part #
121.780
Type
Sprue Bases
Dimensions
5 in x 5 in x 1 in
Compatible Flask Diameters
2-1/2", 3", 3-1/2"
Material
Rubber
Quantity
1 sprue base