National Item Identification Number
01-365-7741
013657741
5133-01-365-7741
5133013657741
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)
65427
D C FABRICATORS INC
DELAVAL CONDENSER DIV
801 W FRONT ST
FLORENCE
NJ
08518
609-499-3000
Reference Numbers (Part Numbers)
TCW-3000-DK
Required Categories
CUTTING END STYLE
SHANK STYLE
NOMINAL THREAD DIAMETER
THREAD QUANTITY
THREAD
Required Description
20 FOUR STEP
86 EXTERNALLY THREADED
0.438 INCHES
20 PER INCH
RIGHT-HAND
0.5