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Screw Digger - Various Sizes
Quick Overview
Disston Screwdiggers fulfil the same function as Screwsinks but the countersinking part can be slid up and down the drill part of the tool.
Description
Ideal for drilling, countersinking and counterboring in one operation.
This means that a No.6 Screwdigger can be adjusted to predrill for different lengths of No. 6 Screw.