| Item Name | Drill Twist |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5133 Drill Bits Counterbores and Countersinks Hand and Machine |
| National Item Identification Number (NIIN) | 01-399-1226 (013991226) |
| NCB Code | USA (01) |
| Manufacturer | Cleveland Twist Drill Co, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| BBDT | POINT TYPE | SPLIT |
| CSKR | POINT ANGLE | 135.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | JOBBERS LG; SCREW MACHINE FLUTE LG; FRACTIONAL SIZE 5/16 |
| MATT | MATERIAL | STEEL, COBALT HIGH SPEED OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | D TYPE AND 5/16 SIZE |
| AAZE | SHANK DIAMETER | 0.312 INCHES NOMINAL |
| AKZH | CUTTING END STYLE | GENERAL PURPOSE |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| ABHP | OVERALL LENGTH | 4.500 INCHES NOMINAL |
| AKZL | NOMINAL CUTTING DIAMETER | 0.3125 INCHES |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| ALAA | FLUTE LENGTH | 1.625 INCHES NOMINAL |
| ALAR | FLUTE QUANTITY | 2 |
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