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 Threading      Family: MTECB-UN Solid carbide threading endmill with coolant holes for UN thread profile. Can be used only for internal thread milling.       Designation: MTECB 0808C21 20UN Cutting Conditions Machine Power 
   

TPI UNC UNF UNEF d Shank C-cylindrical, W-Weldon. D Flut Ap L
 20.0  -  7/16  -  8.00  C  8.00  3  21.00  64.00

  Catalog No Grade Alternative
2D
3D
  5605059 IC908   Not Available Not Available