*If female Kelly Box is greater than male adapter and exceeds the torque rating, failure may occur. Jeffrey Machine will not be held responsible for failure due to over torque. Jeffrey Machine reserves the right to inspect if failure occurs.
Diameters: 24″– 144″Kelly boxes: All Kelly boxes made to customer specificationsBarrels: Cylinders up to 2” wall availableBarrels undersized to meet m..
Core BarrelWe take pride in delivering a customizable drilling core barrel. We carefully manufacture core barrels to meet the needs of demanding envir..
Commonly Requested Diameters:14″– 144″ *Type: Type 6Cut: DC/DF, DC/SFKelly boxes: All boxes made to customer specificationsCenter Shaft: 4″ OD – 12″ O..
Multi-Purpose Auger | General-Purpose Auger
Our multi-purpose augers offer both versatility and durability, making them the ideal solution for variou..