9/16"-18 UNF X 1-1/2" OD HSS Left Round Adjustable Die Quantity:1 Tekton L-keys are made with

Tekton L-keys are made with 8660 nickel chromium molybdenum steel that's heat-treated to HRC 54-58 to produce tools that are hard

Part Number: 100C275HCSSS/316

Part Number: BIT-DWTHX7814

The set includes 3/8 inch drive extensions

Part Number T/A55000

9/16"-18 UNF X 1-1/2" OD HSS Left Round Adjustable Die Quantity:1 Tekton L-keys are made withProduct Description HSS Round Dies are for use in making new threads or re threading existing threads. They are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round dies are chamfered on both faces, one side has a 2 to 3 thread chamfer for threading and the other side has a 1 to 1 1 2 thread chamfer for threading close to a shoulder. Adjustments are made by a fine pitch screw which