These are packers are designed to be used in 3/4" diameter hammer drilled holes.
Description: Used to control water in drill holes and/or injecting cementious or chemical grouting compounds in high volumes. The hollow center pipe (1/8") is securely anchored in the drill hole by the expanding rubber sleeve and specially machined washers. The 1/8" center pipe allows the grouter to pump larger quantities of product.
Accurate sizing results in maximum grout plug holding power.
Attach your ball valve or pump line (not included) to the 1/8" threaded extension pipe end.
ATTENTION: The entire rubber portion of the plug MUST be contained within the dill hole to function correctly.
Please call or email for custom grout plug requests.