I have used this with a powerful 2200w XtremepowerUS electric jackhammer, concrete breaker with case and gloves to break up hard earth under and around stumps when digging. This is a good help and makes it easier to remove loose hard red mud in the southwestern desert. --- Update after a few years --- Are you preparing holes to plant trees or pour stakes under the patio? This is how hard, dry dirt can be loosened! (Okay, watering the area a day or two beforehand is even better, so just a shovel
When it works it works great and it's my favorite bit but the shape of the shaft is slightly different than those that came with my TR Industrial TR89105 jackhammer and will not activate the jackhammer unless I bang the hammer + bat into the ground with full force. more tiring and requires more effort than using a smaller chisel. It worked so badly my boss thought I screwed it up and bought us a different brand of bit as that bit would barely activate the jackhammer function and the shafts were
Update: 11-03-2013People ask and care about Beats, but don't read my review before posting good questions, read my review questions that will be answered in my review - you must so don't ask! Just read my review! This bit is set by Makita or Hitachi: Makita part #MAKB-10300, which sells for about $140. This is a set CUSTOM bit. That means all the big hex jackhammers sold at places like Home Depot WILL NOT WORK! Q: What does that mean? this) 2. Chisel - very important for breaking concrete 3β¦