5133-01-371-9949 DRILL,TWIST Index 5133-01-371-9951 DRILL,TWIST

National Stock Number:
5133-01-371-9950

Federal Supply Class:
5133

National Item Identification Number:
013719950

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:
5871616568PRECISION TWIST DRILL CO
58716OXIDEH1784VAN EYLE & RUYGERS SCHWARTZ
58716OXIDEH2313ERIKS B.V.


Techincal Specification:
CUTTING END STYLEGENERAL PURPOSE
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE LENGTH1.375 INCHES NOMINAL
FLUTE QUANTITY2
OVERALL LENGTH4.000 INCHES NOMINAL
MATERIALCOBALT ALLOY OVERALL
NOMINAL CUTTING DIAMETER0.2500 INCHES
NONDEFINITIVE SPEC/STD DATAD TYPE
SHANK STYLESTRAIGHT ROUND
POINT TYPESPLIT
POINT ANGLE135.0 DEGREES NOMINAL
SPECIAL FEATURESJOBBERS LG; FRACTIONAL SIZE 1/4
SPECIFICATION/STANDARD DATA80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTOXIDE FILM OVERALL


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