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National Stock Number:
5133-01-195-1957
Federal Supply Class:
5133
National Item Identification Number:
011951957
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:
| SR62D | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| CUTTING END STYLE | STEP DRILL | | CUTTING ROTATION DIRECTION | LEFT-HAND | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 4.990 INCHES MINIMUM AND 5.250 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.7500 INCHES | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 43.0 DEGREES NOMINAL AND 47.0 DEGREES MAXIMUM | | SHANK DIAMETER | 0.7018 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM | | SHANK STYLE | STRAIGHT ROUND | | SMALL FLUTED SECTION LENGTH | 1.021 INCHES MINIMUM AND 1.051 INCHES MAXIMUM | | SURFACE TREATMENT | PLASTIC OVERALL |
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