Dormer F3305/16X1.1/2 5978813 UNF adjustable threading die, 5/16" diameter with 24 threads per inch. Suitable for threading steel and cast steel (P), stainless steel (M), cast iron (K), and non-ferrous metals (N). Precision-ground for accurate thread cutting in manual or machine applications.

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

207475

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

5978813

Ordering code ANSI

F3305/16X1.1/2

Overall length - fractional inch (OAL)

1/2

Overall length - inch (OAL)

0.5

Overall length - millimeter (OAL)

12.7

Thread diameter - millimeter (TD)

7.94

Thread diameter size (TDZ)

5/16

Thread form (THFT)

UNF - Unified Fine

Threads per inch (TPI)

24