3820-01-174-2281 BIT,ROCK DRILL Index 4720-01-174-2283 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
3820-01-174-2282

Federal Supply Class:
3820

National Item Identification Number:
011742282

Description:
BIT,ROCK DRILL

Detail:
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.


Manufacturer Information:
0518854252STANLEY BLACK & DECKER, INC.
T1912M006626BRUNNER AND LAY INC


Techincal Specification:
DRILLED HOLE DIAMETER1.875 INCHES
FEATURES PROVIDEDTUNGSTEN CARBIDE INSERTS
MANUFACTURER THREAD DESIGN DESIGNATIONCOROMAT ROPE
SPECIAL FEATURESFOR USE WITH WATER


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