Masonry Drill Bit, Extra Length, 5/16 X 13 In.

Description

Master mechanic, 5/16″ x 13″, extra length, masonry drill bit, 1/4″ shank, positive point angle permits quick, accurate penetration, zinc surface finish, recommended for drilling cinder block, common brick, plaster & ceramic tile & for moderate use in hard brick, glazed tile & dry concrete.