Dormer F3301/2X1.1/2 5978750 adjustable threading die, 1/2" diameter with 20 threads per inch UNF. Suitable for cutting external threads on steel, cast steel, stainless steel, cast iron, and non-ferrous metals. Precision ground for accurate thread form and long tool life.

Basic Standard

BS 1127:1950

Body diameter - fractional inch (BD)

1.1/2

Body diameter - inch (BD)

1.5

Body diameter - millimeter (BD)

38.1

Coating

Bright

Die chamfer to pitch ratio (DCPR)

1.75

EDP number

207550

Hand (Cutting direction)

Right

Material application

K - Cast iron, M - Stainless steel, N - Non-ferrous metals, P - Steel and cast steel

Material code (BMC)

HSS

MID number

5978750

Ordering code ANSI

F3301/2X1.1/2

Overall length - fractional inch (OAL)

1/2

Overall length - inch (OAL)

0.5

Overall length - millimeter (OAL)

12.7

Thread diameter - millimeter (TD)

12.7

Thread diameter size (TDZ)

1/2

Thread form (THFT)

UNF - Unified Fine

Threads per inch (TPI)

20