Description
Rethreading hexagon dies for repairing damaged bolts or studs
Rethreading dies are made from high carbon alloy steel for a long tool life
7 piece National Coarse rethreading set includes 1/4-inch 5/16-Inch 3/8-Inch 7/16-Inch 1/2-Inch 9/16-Inch and 5/8-Inch
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