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National Stock Number:
5133-00-595-8901
Federal Supply Class:
5133
National Item Identification Number:
005958901
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 TYBCL1 | 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 FLUTE LG AND O/A LG | | FLUTE LENGTH | 0.875 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 2.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.2500 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND B TYPE | | POINT ANGLE | 118.0 DEGREES NOMINAL | | POINT TYPE | NOTCHED | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SPECIAL FEATURES | FLAT SPOT ON SHANK FOR SETSCREW DRIVE |
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