5133-00-228-1387 DRILL,TWIST Index 5133-00-228-1389 DRILL,TWIST

National Stock Number:
5133-00-228-1388

Federal Supply Class:
5133

National Item Identification Number:
002281388

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:
940 1-41/6413130CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC
940 1-41/641NEX4KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP


Techincal Specification:
CUTTING END STYLEGENERAL PURPOSE
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE LENGTH10.125 INCHES NOMINAL
FLUTE QUANTITY2
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
OVERALL LENGTH17.125 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL CUTTING DIAMETER1.6406 INCHES
POINT TYPENOTCHED
POINT ANGLE118.0 DEGREES NOMINAL
SHANK STYLESTANDARD TAPER W/TANG
SPECIAL FEATURESTAPER SHANK LG; FRACTIONAL SIZE 1-41/64
TAPER SHANK SIZE DESIGNATOR5 MORSE


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