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National Stock Number:
5133-00-256-7482
Federal Supply Class:
5133
National Item Identification Number:
002567482
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 | | NOMINAL CUTTING DIAMETER | 0.4688 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | NOTCHED | | POINT ANGLE | 118.0 DEGREES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 6.625 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM | | FLUTE LENGTH | 4.375 INCHES NOMINAL | | SHANK STYLE | TAPER-SQUARE | | SHANK LARGE END SQUARE WIDTH | 0.375 INCHES NOMINAL | | SHANK SMALL END SQUARE WIDTH | 0.188 INCHES NOMINAL | | DEPARTURE FROM CITED DESIGNATOR | AS MOD BY CUTTING DIA,FLUTE LG,AND O/A LG | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND | | A TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-D-751 |
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