5133-01-525-6142 DRILL,TWIST Index 5133-01-525-6144 DRILL,TWIST

National Stock Number:
5133-01-525-6143

Federal Supply Class:
5133

National Item Identification Number:
015256143

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:
30-111NSW4TOM J RIDDLE INC


Techincal Specification:
CUTTING END STYLEGENERAL PURPOSE
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE LENGTH3.125 INCHES NOMINAL
FLUTE QUANTITY2
OVERALL LENGTH6.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL CUTTING DIAMETER0.6875 INCHES
SHANK DIAMETER0.500 INCHES NOMINAL
SHANK STYLEFLAT ROUND
SPECIAL FEATURESREDUCED 1/2 IN. DIA SHANK; FRACTIONAL SIZE 11/16


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