5133-01-525-6143 DRILL,TWIST Index 5133-01-525-6145 DRILL,TWIST

National Stock Number:
5133-01-525-6144

Federal Supply Class:
5133

National Item Identification Number:
015256144

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:
30-071NSW4TOM J RIDDLE INC


Techincal Specification:
CUTTING END STYLEGENERAL PURPOSE
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE LENGTH2.938 INCHES NOMINAL
FLUTE QUANTITY2
OVERALL LENGTH4.500 INCHES NOMINAL
MATERIALSTEEL COMP M2 OVERALL
NOMINAL CUTTING DIAMETER0.4375 INCHES
POINT TYPESPLIT
POINT ANGLE135.0 DEGREES NOMINAL
SHANK STYLEFLAT ROUND


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