Avtek Runner Bars
Optimum alloy flow. Cast with confidence.
Avtek™ SuperSpru™ Runner Bars have a specially designed solid center,
which acts as a reservoir to promote unrestricted metal flow from the
button to the distribution bar.
This design eliminates shrink porosity, producing dense, porous free castings.
Manufactured of a high strength, extra rigid wax formula,
SuperSpru™ Runner Bars have no memory, preventing bridges from warping and bending during
Solid center promotes unrestricted metal flow.
- Ensures dense, accurate castings.
Ash free burnout.
- High strength was prevents warpage and breakage.
- 4.6 mm dia. (3/16" or 6gauge).
Distribution bar 4.5 cm long.