National Item Identification Number

00-143-7989
001437989
3460-00-143-7989
3460001437989

National Stock Number

Item Name

HOLDER,COUNTERBORE

Federal Supply Class

3460

Description

A cylindrical body having a straight or tapered shank which holds the cutter in place by driving lugs or two splines 180 degrees (3.1 radians) apart. It is used extensively on screw machines and boring mills. Excludes HOLDER, COUNTERSINK.

Commercial and Government Entity Code (Supplier Data)

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0AHP5

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Reference Numbers (Part Numbers)

801463

Required Categories

Required Description