National Item Identification Number
01-443-3487
014433487
5133-01-443-3487
5133014433487
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)
U7377
SERFILCO EUROPE LTD
BROADOAK INDUSTRIAL PARK ASHBURTON R
D WEST
TRAFFORD PARK MANCHESTER
M17 1RW
UNITED KINGDOM
01618721317
06JP2
TIME FASTENER CO INC
5301-G LONGLEY LN
RENO
NV
89511
775-829-1026
Reference Numbers (Part Numbers)
0661-938-2
23822
Required Categories
MATERIAL
HARDNESS RATING
NOMINAL CUTTING DIAMETER
Required Description
STEEL OVERALL
NOT RATED
0.3750 INCHES