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National Stock Number:
5133-01-120-3522
Federal Supply Class:
5133
National Item Identification Number:
011203522
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:
| 57205 | 16568 | PRECISION TWIST DRILL CO | | 5ATL 20.5MM | 16568 | PRECISION TWIST DRILL CO | | B94.11M | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B94.11M | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | NOMINAL CUTTING DIAMETER | 20.5 MILLIMETERS | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 118.0 DEGREES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 254.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | FLUTE LENGTH | 156.0 MILLIMETERS NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 20.5 MILLIMETERS NOMINAL | | SPECIAL FEATURES | TAPER LG | | SPECIFICATION/STANDARD DATA | 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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