The COUNTERBORE,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_style: STANDARD TAPER W/TANG, overall_length: 5.375 INCHES NOMINAL IN, pilot_diameter: 0.312 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN, cutting_end_style: INTERCHANGEABLE PILOT, features_provided: REPLACEABLE PILOT. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-360-7734, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| shank_style | STANDARD TAPER W/TANG |
| flute_quantity | 3 |
| overall_length | 5.375 INCHES NOMINAL IN |
| pilot_diameter | 0.312 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| cutting_end_style | INTERCHANGEABLE PILOT |
| features_provided | REPLACEABLE PILOT |
| nominal_cutting_diameter | 0.7500 INCHES IN |
| pilot_hole_nominal_diameter | 0.250 INCHES IN |
| taper_shank_size_designator | 2 MORSE |
| NSN | 5133-01-360-7734 |
| OVERALL LENGTH | 5.375 INCHES NOMINAL IN |
| CUTTING END STYLE | INTERCHANGEABLE PILOT |
| NOMINAL CUTTING DIAMETER | 0.7500 INCHES IN |
| PILOT HOLE NOMINAL DIAMETER | 0.250 INCHES IN |
| MATERIAL | STEEL OVERALL |
| TAPER SHANK SIZE DESIGNATOR | 2 MORSE |
| FEATURES PROVIDED | REPLACEABLE PILOT |
| FLUTE QUANTITY | 3 |
| SHANK STYLE | STANDARD TAPER W/TANG |
| PILOT DIAMETER | 0.312 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |