SDS Chuck adapter For 3/8"(10mm) 1/2"(13mm) shank 20 UNF Drill Chuck Adaptor

This adaptor enables the use of a normal standard key or keyless chuck to be used with a SDS drill. -SDS plus shank with male thread. -Suitable for Chucks with a 1/2" x 20 UNF Thread. Thread: 1/2 "x 20 UNF.

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