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National Stock Number:
5133-00-782-4231
Federal Supply Class:
5133
National Item Identification Number:
007824231
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:
| B94.11M | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | SRW25D | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| CUTTING END STYLE | STEP DRILL | | NOMINAL CUTTING DIAMETER | 0.3020 INCHES AND | | 0.3430 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 118.0 DEGREES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 3.060 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND | | 64.0 ROCKWELL C MAXIMUM | | SMALL FLUTED SECTION LENGTH | 0.611 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 0.342 INCHES MINIMUM AND | | 0.343 INCHES MAXIMUM | | SPECIAL FEATURES | 90 DEG INCLUDED ANGLE COUNTERSINK | | SPECIFICATION/STANDARD DATA | 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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