1/2"-20 UNF X 1" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Sets & Kits Flute Length: 1-3/16"

Flute Length: 1-3/16"

Overall Length: 2-7/8"

Screw Machine Range: #0 - #14

Overall Length: 4-1/16"

Shank Size: 43/64"

1/2"-20 UNF X 1" OD HSS Left Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Sets & Kits Flute Length: 1-3/16"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 forces the sides of the