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National Stock Number:
5133-01-499-3210
Federal Supply Class:
5133
National Item Identification Number:
014993210
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:
| 52606 | 16568 | PRECISION TWIST DRILL CO | | CO500-12 3/32 | 16568 | PRECISION TWIST DRILL CO |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 1.250 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 | 0.0938 INCHES | | SPECIAL FEATURES | AIRCRAFT EXTENSION TYPE; FRACTIONAL SIZE 3/32 | | POINT ANGLE | 135.0 DEGREES NOMINAL | | POINT TYPE | SPLIT | | SHANK DIAMETER | 0.093 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SURFACE TREATMENT | COPPER AND OXIDE FILM OVERALL |
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