These drill bits have been specifically selected for the installation of COBRATAPTM, our concrete screws. : 5/32” for the 3/16” screws and 3/16” for the 1/4” screws, with a flat side on the shank for use with the quick load adaptor.
Made of cold-rolled steel
Good selection of the most requested sizes
Flat sided shank for use with the “quick load” drill holder








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