National Item Identification Number
01-133-4576
011334576
5133-01-133-4576
5133011334576
National Stock Number
Item Name
COUNTERBORE,MACHINE
Federal Supply Class
5133
Description
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.
Commercial and Government Entity Code (Supplier Data)
63005
73342
Reference Numbers (Part Numbers)
23003606
23003606
Required Categories
MATERIAL
CUTTING END STYLE
SHANK STYLE
SHANK DIAMETER
FEATURES PROVIDED
PIL
Required Description
STEEL OVERALL
21 SOLID
76 STRAIGHT ROUND
0.6672 INCHES NOMINAL
REPLACEABLE P