3820-01-338-7449 BIT,ROCK DRILL Index 3820-01-338-7451 BIT,ROCK DRILL

National Stock Number:
3820-01-338-7450

Federal Supply Class:
3820

National Item Identification Number:
013387450

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:
5076493562475INGERSOLL-RAND CO PROFESSIONAL TOOLS GROUP
513023700CA08ATLAS COPCO
855017P051401365MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
855017P0514-10CA08ATLAS COPCO
855017P0514-162475INGERSOLL-RAND CO PROFESSIONAL TOOLS GROUP
5130237062475INGERSOLL-RAND CO PROFESSIONAL TOOLS GROUP


Techincal Specification:
DRILLED HOLE DIAMETER6.000 INCHES
ATTACHMENT METHODTHREADED BOTTOM DRIVE
CLEANING HOLE LOCATION AND QUANTITY2 FRONT
MATERIALSTEEL
SPECIAL FEATURESHAMMER BIT


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