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 |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.120 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 4.120 INCHES NOMINAL |
| ABPM | BODY DIAMETER | 0.887 INCHES MINIMUM AND 0.888 INCHES MAXIMUM |
| AAVA | POINT DIAMETER | 0.600 INCHES NOMINAL |
| ALAR | FLUTE QUANTITY | 4 |
| 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 |
| AAVL | PILOT DIAMETER | 0.640 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| AAZE | SHANK DIAMETER | 0.375 INCHES NOMINAL |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| AKZH | CUTTING END STYLE | STRAIGHT FLUTE BLUNT END |