National Item Identification Number

00-243-3606
002433606
5133-00-243-3606
5133002433606

National Stock Number

Item Name

COUNTERBORE,HAND

Federal Supply Class

5133

Description

An end cutting tool for forming a flat bottomed enlargement of the mouth of a previously formed cylindrical hole. It may have an integral or inserted pilot. Designed to be driven or turned by a wrench, carpenter's brace or handle. For power driven items, see COUNTERBORE, MACHINE.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

WA2077
226121-3-4-6

Required Categories

MATERIAL
HARDNESS RATING
CUTTING END STYLE
SHANK STYLE
SHANK DIAMETER
OVERA

Required Description

STEEL OVERALL
40.0 ROCKWELL C MINIMUM AND
53.0 ROCKWELL C MAXIMUM
21 SOLID
7