friction kelly bar
keyword：
Drilling Buckets & Augers
friction kelly bar
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Products details
Description: Kelly bars are key components of the construction drilling machines. The quality of the Kelly Bars directly affects the performance of the drilling machines. The friction kelly bar relies on its own weight to pressurize that are used for soft stratum, like soil, sand, fully-strongly weathered rock layers.etc;
Parameters
Warranty :One year or 2000 working hours
Features
Delivery & Packaging
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