3020-00-953-2185 GEAR,SPUR Index 5998-00-953-2188 CIRCUIT CARD ASSEMBLY

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:
SR31D83324HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
CUTTING END STYLESTEP DRILL
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE QUANTITY2
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
OVERALL LENGTH3.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL CUTTING DIAMETER0.3430 INCHES AND 0.3750 INCHES
SPECIAL FEATURES90 DEG INCLUDED ANGLE COUNTERSINK
POINT ANGLE118.0 DEGREES NOMINAL
POINT TYPECONVENTIONAL
SHANK DIAMETER0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SHANK STYLESTRAIGHT ROUND
SMALL FLUTED SECTION LENGTH0.701 INCHES NOMINAL


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