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