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		                             National Stock Number: 5133-17-122-6839
  Federal Supply Class: 5133
  National Item Identification Number: 171226839
  Description: COUNTERBORE,MACHINE
  Detail: An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use CUTTER, COUNTERBORE. 
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  Manufacturer Information:
 | A0025.8 | H3014 | SANDVIK BENELUX B.V. |   
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