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National Stock Number:
3820-01-338-3590
Federal Supply Class:
3820
National Item Identification Number:
013383590
Description:
DRILL ROD,ROCK DRILL
Detail:
A STRAIGHT METAL ROD WITH A SHANK AT ONE END TO FIT THE DRILLING MACHINE CHUCK, AND THE OPPOSITE END EXTERNALLY THREADED OR TAPERED TO RECEIVE A DETACHABLE BIT. THE ROD HAS A PASSAGEWAY THROUGHOUT ITS ENTIRE LENGTH FOR CONDUCTING AIR OR WATER TO CLEAR THE HOLE BEING DRILLED. OVERALL LENGTH MUST BE AT LEAST 15 INCHES (381 MM). EXCLUDES DRILL RODS DESIGNED FOR CORE DRILLING. SEE ALSO DRILL ROD SECTION, ROCK DRILL; AND SHANK, ROD, ROCK DRILL.
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Manufacturer Information:
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Techincal Specification:
| ATTACHMENT METHOD | THREADED BOTTOM DRIVE | | MANUFACTURER THREAD DESIGN DESIGNATION | TIMKEN ROLLER BEARING CO SERIES H | | OVERALL LENGTH | 30.000 INCHES NOMINAL | | MATERIAL | STEEL |
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