Counterbore with Built-In Pilot: Oversized, For 5/16 in Screw Size, 5/16 in Bore Dia.
Item: 20C953,
MFR: 302-0.3125,
Brand: YANKEE
| Material - Machining | High Speed Steel |
| Measurement System | Fractional Inch |
| For Screw Size | 5/16 in |
| Counterbore Type | Oversized |
| Bore Dia. | 5/16 in |
| Pilot Dia. | 5/16 in |
| Overall Length | 6-1/8 in |
| Shank Dia. | 3/8 in |