Electric hammer drill four-hollow shank electric hammer drill impact drill concrete drill bits

Description:

The drill handle made of high quality chrome vanadium steel, blades with YG8 carbide, high hardness and good resistance to abrasion. Use with the hammer, widely used in brick-concrete structure wall ground drill. Is the decoration construction of necessary products.

Method of use:

This drill should be installed on the hammer can be used, drill is mainly electric hammer gouge completed drilling of its repeated tasks. Debris are released by the rotation of the drill bit in the hole, electric hammer drill only brittle objects in the operations, such as various types of brick-concrete stone class drilling, is specialized in decoration construction of hydroelectric engineering products.

Note:

Try not to use in reinforced concrete, such as bumping into bars, cutters solder can be easily shed, and product quality has nothing to do!