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National Stock Number:
5133-00-554-9504
Federal Supply Class:
5133
National Item Identification Number:
005549504
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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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | NOMINAL CUTTING DIAMETER | 0.7500 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | NOTCHED | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 10.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM | | FLUTE LENGTH | 5.875 INCHES NOMINAL | | SHANK STYLE | STANDARD TAPER W/TANG | | TAPER SHANK SIZE DESIGNATOR | 3 MORSE |
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