13mm wrench type drill chuck impact electric hammer conversion electric drill bit clamp round handle two pits two grooves square handle four pits

Round handle and square handle connecting rod, suitable for all on the market

the electric hammer, pro also don't have to worry about buying the wrong

(Take pictures of each set of chucks. all connecting rod and wrench)

(The fixing screw is reversed. Please pay attention)

1. Generally, the impact and rotation of the square handle electric hammer cannot be adjusted. If there is an impact force when we use the chuck to drill, it cannot be used normally.

2. The second electric hammer can be adjusted to rotate or not, and the impact cannot be adjusted.

3. When installing the chuck, the connecting rod cannot be put in place, only up to half.

Location, at this time the drill will not stretch shrink, and at this time the elastic sleeve can

reset, so that installation succeeded it's up.

4, because the drill bit is not in place, the impact sub inside has a certain degree with the drill bit.

The gap, so will not produce impact.

5. The electric hammer can be used to fix the drill bit with 4 steel balls. I only need to install it stuck 2 steel balls that's it.

The difference between the chuck: hand-tight chuck more convenient metal chuck tighten it more tightly

13mm chuck (clamping range 1.5-13mm)