Dormer F302M8 5978521 threading die, M8x1.25 thread size, manufactured to BS 1127:1950 standard. Suitable for threading in cast iron, stainless steel, non-ferrous metals, and steel/cast steel materials.

Basic Standard

BS 1127:1950

Coating

Bright

Die chamfer to pitch ratio (DCPR)

1.75

Drive size - inch (DRVS)

0.82

Drive size - millimeter (DRVS)

20.83

EDP number

105757

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

5978521

Ordering code ANSI

F302M8

Overall length - fractional inch (OAL)

5/16

Overall length - inch (OAL)

0.3125

Overall length - millimeter (OAL)

7.94

Thread diameter - millimeter (TD)

8

Thread diameter size (TDZ)

8

Thread form (THFT)

M - Metric coarse

Thread pitch - millimeter (TP)

1.25