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National Stock Number:
5133-01-051-4993
Federal Supply Class:
5133
National Item Identification Number:
010514993
Description:
DRILL,TWIST
Detail:
AN END CUTTING TOOL HAVING TWO OR MORE CUTTING EDGES, AND HAVING HELICAL FLUTES OR GROOVES ADJACENT THERETO FOR THE ADMISSION OF COOLANT AND THE EJECTION OF CUTTINGS OR CHIPS. IT IS USED FOR DRILLING HOLES IN VARIOUS MATERIALS. EXCLUDES DRILL, MASONRY (AS MODIFIED); AND DRILL,TWIST, BONE. SEE ALSO DRILL, PIVOT, JEWELER'S AND DRILL, HARDENED STEEL, CARBIDE TIPPED.
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Manufacturer Information:
| 6887899 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| CUTTING END STYLE | STEP DRILL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 4.500 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 6.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.3650 INCHES AND 0.5000 INCHES | | POINT TYPE | SPLIT | | SHANK DIAMETER | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SHANK STYLE | STRAIGHT ROUND | | SMALL FLUTED SECTION LENGTH | 0.365 INCHES NOMINAL |
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