|
|
|
National Stock Number:
5133-00-953-2186
Federal Supply Class:
5133
National Item Identification Number:
009532186
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.
|
Manufacturer Information:
| SR31D | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC |
|
Techincal Specification:
| CUTTING END STYLE | STEP DRILL | | NOMINAL CUTTING DIAMETER | 0.3430 INCHES AND | | 0.3750 INCHES | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | POINT TYPE | CONVENTIONAL | | POINT ANGLE | 118.0 DEGREES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 3.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND | | 64.0 ROCKWELL C MAXIMUM | | SMALL FLUTED SECTION LENGTH | 0.701 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 0.374 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | SPECIAL FEATURES | 90 DEG INCLUDED ANGLE COUNTERSINK |
|
|