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National Stock Number:
5133-01-499-2587
Federal Supply Class:
5133
National Item Identification Number:
014992587
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:
| 52604 | 16568 | PRECISION TWIST DRILL CO | | CO500-12 1/16 | 16568 | PRECISION TWIST DRILL CO |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 0.875 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 65.0 ROCKWELL C MINIMUM AND 67.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 12.000 INCHES NOMINAL | | MATERIAL | STEEL ALLOY OVERALL | | NOMINAL CUTTING DIAMETER | 0.0625 INCHES | | SHANK DIAMETER | 0.062 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SPECIAL FEATURES | AIRCRAFT EXTENSION TYPE; FRACTIONAL SIZE 1/16 | | POINT TYPE | SPLIT | | POINT ANGLE | 135.0 DEGREES NOMINAL | | SURFACE TREATMENT | COPPER AND OXIDE FILM OVERALL |
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