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National Stock Number:
5133-00-849-2868
Federal Supply Class:
5133
National Item Identification Number:
008492868
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:
| NOMINAL CUTTING DIAMETER | 1.0000 INCHES | | POINT TYPE | NOTCHED | | TAPER SHANK SIZE DESIGNATOR | 3 MORSE | | CUTTING END STYLE | GENERAL PURPOSE | | FLUTE QUANTITY | 2 | | MATERIAL | STEEL OVERALL | | OVERALL LENGTH | 24.750 INCHES NOMINAL | | FLUTE LENGTH | 20.000 INCHES NOMINAL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | SHANK STYLE | STANDARD TAPER W/TANG | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
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