Makita E-10621 3/16" x 6" Carbide Tipped Percussion Masonry Hammer Drill Bits, 5/pk Tools And Machining Spline or 3/4" hex -

Spline or 3/4" hex - 21/32" round

For working around obstructions and in hard-to-reach spaces

Net Weight : 6 lbs

Expansion slots dissipate heat which extends blade life

Makita E-10621 3/16" x 6" Carbide Tipped Percussion Masonry Hammer Drill Bits, 5/pk Tools And Machining Spline or 3/4" hex -Makita Percussion Masonry Hammer Drill Bits feature wide roll forged flutes and carbide tips. These bits are for drilling holes in masonry materials including concrete, block, and brick. The bits also easily work with corded or cordless hammer drills. They can be resharpened to extend bit life. Key Features DURABILITY : Carbide tipped for long life EFFICIENCY : Wide flutes for rapid dust removal DESIGN : Resharpenable for extended life APPLICATIONS :