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National Stock Number:
5133-01-045-8612
Federal Supply Class:
5133
National Item Identification Number:
010458612
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.
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Manufacturer Information:
| 211-3125 | 62996 | WETMORE TOOL AND ENGINEERING COMPANY DBA WETMORE CUTTING TOOLS | | 3120 | 42970 | LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV | | NAS965 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS965 TYBSZ5/16 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS965 TYBSZ5/16 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| CUTTING END STYLE | GENERAL PURPOSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 0.562 INCHES NOMINAL | | FLUTE QUANTITY | 2 | | OVERALL LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.3125 INCHES | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | B TYPE AND 5/16 SIZE | | POINT TYPE | SPLIT | | POINT ANGLE | 135.0 DEGREES NOMINAL | | SHANK STYLE | EXTERNALLY THREADED W/HEX NUT | | SPECIAL FEATURES | THREADED HEX SHANK; SHORT LENGTH; FRACTIONAL SIZE 5/16 | | SPECIFICATION/STANDARD DATA | 80205-NAS965 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SUPPLEMENTARY FEATURES | O/A LENGTH DOES NOT INCLUDE THE THREAD LENGTH PAST THE HEXAGON NUT, THREADS = 1/4 IN. (+1/16 IN.) | | THREAD QUANTITY | 28 PER INCH | | THREAD SERIES DESIGNATOR | UNF |
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