MTECB-NPTF :  Solid carbide threading endmills with coolant holes, for external or internal NPTF thread profile.  
 Application: Steam, gas and water pipes
 
External thread milling Internal thread milling COOLANT
  Designation
TPI

NPTF

d

ShankC-Cylindrical

D

Flute

ap

L

  Grade
  MTECB 2020D29 11.5NPTF  11.5  1-2  20.00  C  20.00  4  29.80  105.00 IC908
  MTECB 2020D39 8NPTF  8.0  >=2_1/2  20.00  C  20.00  4  39.70  105.00 IC908

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