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National Stock Number:
5133-00-889-1904
Federal Supply Class:
5133
National Item Identification Number:
008891904
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 TYD | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | NOMINAL CUTTING DIAMETER | 0.4130 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | NOTCHED | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 5.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM | | FLUTE LENGTH | 3.875 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SHANK DIAMETER | | NONDEFINITIVE SPEC/STD DATA | D TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-D-751 |
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