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National Stock Number:
5133-01-460-0279
Federal Supply Class:
5133
National Item Identification Number:
014600279
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 1/4 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 157 1/4 | 60NQ9 | GREENFIELD INDUSTRIES INC | | 2120 1/4 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 40016 | 16568 | PRECISION TWIST DRILL CO | | 2120 1/4 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 157 1/4 | 65400 | GREENFIELD INDUSTRIES INC | | R40 1/4 | 16568 | PRECISION TWIST DRILL CO | | 48516 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP | | 48516 | 60NQ9 | GREENFIELD INDUSTRIES INC | | 48516 | 65400 | GREENFIELD INDUSTRIES INC |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 1.375 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 2.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.2500 INCHES | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 118.0 DEGREES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SPECIAL FEATURES | SCREW MACHINE LG; FRACTIONAL SIZE 1/4 |
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