Tungsten Carbide Tipped Hex Shank Masonry Drill Set 5 Pce 10-30mm 90 Degree

5 Pce 10-30mm 90 Degree HSS Co5 Cross Hole Countersink Set

Metric Fine angle of thread is 60 degrees

For increased bit life use a cutting fluid/lubricant such as water or turpentine to reduce heat

steel gears and ball bearing construction for reliable heavy duty performance

Drilling Template 4-83mm

Tungsten Carbide Tipped Hex Shank Masonry Drill Set 5 Pce 10-30mm 90 DegreeTungsten Carbide Tipped Hex Shank Masonry Drill Set Specifically engineered for use in impact drivers these bits are also fully compatible with conventional rotary drills. 1 4" hex shank facilitates fast tool loading in cordless impact drivers and quick change adaptors. Premium grade carbide. High temperature brazing for longer life. Flutes designed for optimum spoil removal. For use in concrete, brick, block and stone.