National Item Identification Number

00-641-7700
006417700
3820-00-641-7700
3820006417700

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)

---

Reference Numbers (Part Numbers)

MCJ-1-3/4
MCJ1.75IN.
T1707M0

Required Categories

MATERIAL
CUTTING END TYPE
CLEANING HOLE LOCATION AND QUANTITY
DRILLED HOLE DI

Required Description

STEEL
FOUR CUTTING EDGES
1 CENTER AND
1 SIDE
1.750 INCHES
04FG4
T1707M0