4920-01-524-5596 DRILL,TWIST,AIRCRAF Index 4920-01-524-5597 DRILL,TWIST,AIRCRAF

National Stock Number:
5133-01-524-5597

Federal Supply Class:
5133

National Item Identification Number:
015245597

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:
TFIM 25.021602676301THE BOEING COMPANY


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
CUTTING END STYLEGENERAL PURPOSE
FLUTE LENGTH1.375 INCHES NOMINAL
FLUTE QUANTITY2
OVERALL LENGTH3.250 INCHES NOMINAL
POINT TYPENOTCHED
POINT ANGLE90.0 DEGREES NOMINAL
SPECIAL FEATURESDRILL SIZE 21;TWIST DRILL, H.S.S, 2 FLUTE, R.H. HELIX, TOOL FUNCTION TO ENLARGE PILOT HOLES AND PRODUCE DRILLED HOLES IN BLANK PARTS
THREAD DIRECTIONRIGHT-HAND


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