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National Stock Number:
5133-01-624-9391
Federal Supply Class:
5133
National Item Identification Number:
016249391
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:
| 11B5090150-25 | 5B5M3 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER DIV DEPT OF ARMY | | DY80622864 | 3BUS5 | LAWSON PRODUCTS, 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 | SPLIT | | POINT ANGLE | 135.0 DEGREES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 64.0 ROCKWELL C MINIMUM AND | | 66.0 ROCKWELL C MAXIMUM | | SPECIAL FEATURES | CRYOBIT DRILL BIT;TEMPERATURE RESISTANT TO 1100 DEGREES FARENHEIT;BIT IS MADE OF CM-8 CHROME MOLY VANADIUM HIGH SPEED STEEL;SURFACE IS SUPER HEATED WITH GOLD OXIDE COATING WITH BLACK OXIDE RELIEF EDGE;CRYOGENCICALLY TREATED;STRAIGHT SHANK;JOBBERS LENGTH BIT |
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