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Hydraulic bolt tensioner - Delta series
The hydraulic stud tensioner are alternative tools used for tightening threaded fastener. This device fastens against the joint, grips the bolt end, and pulls the bolt or stud via hydraulic fluid pressure. It gives fast, safe and accurate axial load to a threaded fastener. Benefits of hydraulic tensioning include the tightening of multiple bolts simultaneously which result to an increased integrity to the joint in a small amount of time.