|Class of Fit:||3B|
|# of Flutes:||4|
|Size of Square:||0.238|
RECOMMENDED HOLE SIZE BASED ON 75% THREAD: 0.259"
|PRICING - UNCOATED|
These taps are made to conventional tap dimensions, except that they have an extended shank to reach inaccessible holes. Thread length, shank diameter, and shank square are made to standard specifications listed in Table 302. Extension taps are available in both hand and spiral point styles, and in small shank style.
These are reference values which depending on requirements and conditions, may need to be altered. NATC assumes no responsibility or liability of any kind as a result of utilizing these values.
Suggested Starting SFM/RPM: