Is the Makita XDT20 powerful enough for lag bolts?

Yes. Its 1,590 in-lbs of max torque is in the same class as other premium 18V impact drivers and handles most lag bolts and long structural screws. Very large lags may still call for an impact wrench.

What is included in the kit?

The kit includes the XDT20 impact driver, two 18V LXT 5.0Ah batteries and a single-port charger. Bits and a case vary by kit configuration, so check the specific kit.

Does it work with all Makita 18V batteries?

It works with Makita 18V LXT lithium-ion batteries that carry the Star symbol. Older non-Star 18V batteries are not recommended.

How does it compare with the previous XDT series drivers?

The XDT20 adds a brushless motor and four speed settings over older brushed models, with similar torque and a more compact body. It is a modest step up rather than a radical redesign.

Is it too heavy for overhead work?

It is heavier than 12V and compact drivers, so long overhead sessions can tire your arm. For light overhead work a smaller driver is often more comfortable.

What chuck does it use?

It has a one-touch 1/4-inch hex chuck with dual ball bearings, so it takes standard 1/4-inch hex bits. It does not accept round-shank drill bits without an adapter.