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National Stock Number:
5133-00-849-2869
Federal Supply Class:
5133
National Item Identification Number:
008492869
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 | | SHANK STYLE | STANDARD TAPER W/TANG | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 24.750 INCHES NOMINAL | | POINT TYPE | NOTCHED | | NOMINAL CUTTING DIAMETER | 0.9375 INCHES | | TAPER SHANK SIZE DESIGNATOR | 3 MORSE | | MATERIAL | STEEL OVERALL | | FLUTE QUANTITY | 2 | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 20.000 INCHES NOMINAL |
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