Part Number
Part Number:
NSN:
NIIN:
Item Name:
COUNTERSINK
Definition:
AN ANGULAR CUTTING TOOL, USUALLY MADE WITH ANGULAR RELIEF, HAVING ONE OR MORE FLUTES WITH SPECIFIC SIZE ANGLE CUTTING EDGES. IT IS USED FOR CHAMFERING AND COUNTERSINKING HOLES. THE TOOL MAY HAVE A STRAIGHT SHANK, TAPERED SHANK, BIT STOCK SHANK OR SPECIAL SHANK REQUIRING A SPECIAL HOLDER, FOR HOLDING IN A POWER- OR HAND-OPERATED MACHINE. IT MAY BE DESIGNED TO BE DRIVEN OR TURNED BY MEANS OF A WRENCH OR CARPENTER'S BRACE. FOR ITEMS REQUIRING A HOLDER BUT THE HOLDER IS NOT INCLUDED, USE CUTTER, COUNTERSINK.
CAGE Information
| Code | Company |
|---|---|
| 83324 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
DRILL BITS, COUNTERBORES, AND CO
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAVA | POINT DIAMETER | 0.475 INCHES NOMINAL |
| AAVA | POINT DIAMETER | 0.475 INCHES NOMINAL |
| AAVL | PILOT DIAMETER | 0.483 INCHES MINIMUM AND 0.484 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 4.250 INCHES NOMINAL |
| ABPM | BODY DIAMETER | 0.596 INCHES MINIMUM AND 0.606 INCHES MAXIMUM |
| AAZE | SHANK DIAMETER | 0.601 INCHES NOMINAL |
| ALAR | FLUTE QUANTITY | 2 |
| CBBL | FEATURES PROVIDED | INTEGRAL PILOT |
| CTHT | INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| AKZH | CUTTING END STYLE | STRAIGHT FLUTE BLUNT END |