Ideal for drilling, countersinking and counterboring in one operation.
This means that a No.8 Screwdigger can be adjusted to predrill for different lengths of No. 8 Screw.
Uses 7/64in Drill Bit.
To ensure an acurate fit we suggest you use the same Plug Cutter from the Disston brand.
For No 8 screw
Brand: Disston