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National Stock Number:
5133-01-212-5925
Federal Supply Class:
5133
National Item Identification Number:
012125925
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:
| 23008728 | 63005 | ROLLS-ROYCE CORPORATION |
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Techincal Specification:
| CUTTING END STYLE | STEP DRILL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 2.574 INCHES NOMINAL | | OVERALL LENGTH | 2.574 INCHES NOMINAL | | NOMINAL CUTTING DIAMETER | 0.2810 INCHES | | POINT ANGLE | 45.0 DEGREES NOMINAL | | SHANK DIAMETER | 0.281 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SMALL FLUTED SECTION LENGTH | 0.384 INCHES NOMINAL |
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