Tooling application table (Internal thread)

Metric Unified Parallel pipe Whitworth Tapered pipe American national 30˚ trapezoidal

tapered pipe Thread types

MUN, UNCG(PF)WRc(PT)NPTTr
UNF, UNEFRp(PS)(BSPT)
InternalInternalInternalInternalInternalInternalInternal

1˚47' 1˚47' Thread shape 30˚

60˚60˚55˚55˚55˚60˚
TPTPTPTPTPTPTP
ExternalExternalExternalExternalExternalExternalExternal

Pitch

mm TPI TPI TPI TPI TPI mm

Toolholder shape (check EZ Bar special supplement, page 13) EZT

0.5~1.75 36~16 28~19 24~18 28~19 18~14 -

VNT

SIN

0.75~1.5 28~18 - - - - -

JJ

0.5~5.0 24~8 19~11 16~11 28~11 18~11.5 -

0.5~5.0 48~5 28~11 40~5 28~11 - 2.0~5.0

CIN

1.0~5.0 24~8 19~11 16~11 14~11 18~11.5 -

0.5~5.0 48~5 28~11 40~5 28~11 - 2.0~5.0

KITG

0.5~3.0 48~8 28~11 24~8 28~11 - -

STWP

0.75~3.5 28~8 - - - - -

For parallel pipe and tapered pipe, the average values are only to be used if specifically recommendation.