1/2"-20 UNF X 1-1/2" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Sets & kits Pieces in Set: 25

Pieces in Set: 25

they are the most cost effective rethreading tool available

Enhanced Durability: Built to resist wear and tear

Thread Size: 7/8"

Drill America - 2-7/8-8 UNS HSS Bottoming Tap

1/2"-20 UNF X 1-1/2" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Sets & kits Pieces in Set: 25HSS 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 forces the sides of the