National Item Identification Number

00-275-2604
002752604
3820-00-275-2604
3820002752604

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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Reference Numbers (Part Numbers)

MS39125

Required Categories

MATERIAL
CUTTING END TYPE
CLEANING HOLE LOCATION AND QUANTITY
ATTACHMENT METH

Required Description

STEEL
CROSS
1 CENTER AND
4 SIDE
THREADED BOTTOM DRIVE
EXTERNAL REVERSE BUTT