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National Stock Number:
5133-01-460-0291
Federal Supply Class:
5133
National Item Identification Number:
014600291
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:
| 157 7/16 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 157 7/16 | 60NQ9 | GREENFIELD INDUSTRIES INC | | 2120 7/16 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 40028 | 16568 | PRECISION TWIST DRILL CO | | 2120 7/16 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 157 7/16 | 65400 | GREENFIELD INDUSTRIES INC | | R40 7/16 | 16568 | PRECISION TWIST DRILL CO | | 48528 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 48528 | 60NQ9 | GREENFIELD INDUSTRIES INC | | 48528 | 65400 | GREENFIELD INDUSTRIES INC |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | NOMINAL CUTTING DIAMETER | 0.4375 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 118.0 DEGREES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 3.438 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | FLUTE LENGTH | 2.062 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SPECIAL FEATURES | SCREW MACHINE LG; FRACTIONAL SIZE 7/16 |
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