National Item Identification Number

00-641-7699
006417699
3820-00-641-7699
3820006417699

National Stock Number

Item Name

BIT,ROCK DRILL

Federal Supply Class

3820

Description

A detachable, end cutting drilling tool with an internal thread or tapered socket at one end for attaching a rock drill rod. The opposite end is designed with two or more cutting edges for drilling into rock formation by impact and a slight rotary motion. It contains a hole or holes in the cutting for the purpose of conducting air or water to clear the hole being drilled. It is used with powered drifter drills, sinker drills, and the like.

Commercial and Government Entity Code (Supplier Data)

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60038

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THE TIMKEN CORPORATION
1835 DUEBER AVE SW
CANTON
OH
44706
603-443-5282

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Reference Numbers (Part Numbers)

MCJ-1-5/8
MCJ1-5/8 INCHES
MCJ158

Required Categories

MATERIAL
CUTTING END TYPE
CLEANING HOLE LOCATION AND QUANTITY
ATTACHMENT METH

Required Description

STEEL
FOUR CUTTING EDGES
1 CENTER AND
4 SIDE
THREADED BOTTOM DRIVE
TIMKEN R