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National Stock Number:
3820-01-343-3246
Federal Supply Class:
3820
National Item Identification Number:
013433246
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.
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Manufacturer Information:
| V1-12-1/4 | 22023 | VAREL INTL INC | | Y31 | 0ZKB3 | REED EQUIPMENT CO |
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Techincal Specification:
| DRILLED HOLE DIAMETER | 12.2500 INCHES | | ATTACHMENT METHOD | THREADED BOTTOM DRIVE | | SPECIAL FEATURES | COMPRESSIVE STRENGTH 9000 TO 12000 PSI;DRILLING SPEEDS 40 TO 80 RPMS;GAGE TYPE A TOOTH |
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