4820-01-542-7012 DISK,VALVE Index 7690-01-542-7014 LABEL

National Stock Number:
3820-01-542-7013

Federal Supply Class:
3820

National Item Identification Number:
015427013

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:
512483181N370INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND
HTI-162H1HJ13AIR SPECIALISTS, INC.
HTI-162H20609TAMCO INC


Techincal Specification:
DRILLED HOLE DIAMETER1.625 INCHES
CUTTING END TYPECROSS
MATERIALCARBIDE
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAR BIT, 1.625INCH
SPECIAL FEATURESH THREAD CARBIDE ROCK BIT


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