Dewalt DT7030-QZ SDS Plus Chuck Adaptor The DEWALT SDS-Plus 1/2in x 20 UNF chuck adaptor. Specification: Weight: 60g. The DEWALT SDS-Plus 1/2in x 20 UNF chuck adaptor. This adaptor is for connecting a standard 1/2in x 20 UNF chuck into an SDS+ drill.
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