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National Stock Number:
5133-00-245-2553
Federal Supply Class:
5133
National Item Identification Number:
002452553
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:
| GGG-D-751 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGG-D-751 TYACL1 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | DEPARTURE FROM CITED DESIGNATOR | AS MOD BY CUTTING DIA,FLUTE LG,AND O/A LG | | FLUTE LENGTH | 5.016 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.6875 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND A TYPE | | OVERALL LENGTH | 7.500 INCHES NOMINAL | | POINT TYPE | NOTCHED | | POINT ANGLE | 118.0 DEGREES NOMINAL | | SHANK LARGE END SQUARE WIDTH | 0.375 INCHES NOMINAL | | SHANK SMALL END SQUARE WIDTH | 0.188 INCHES NOMINAL | | SHANK STYLE | TAPER-SQUARE |
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