This is a general representation of what we carry in-store, please call for pricing and availability.

Masonry Drill Bit, 5/16 x 4-In.

Master Mechanic

Master mechanic, 5/16" x 4", 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.