|Review by USCJeff||posted 08-27-2008 06:03 AM||2138 views||0 times favorited||10 comments|
I recently got one of the PS40-2 Impactors as a freebie from a WoodSmith Tip they picked up of mine. I felt I owed it to Bosch (and August Home Publishing) to let my fellow jocks here about the product. I just got it three days ago so I’ll preface all by saying that I obviously am speaking from first and very limited impressions. This is the first impact driver I’ve used. I’ve picked it up at Lowe’s a dozen times and thought it was very small and possibly very convenient as a result. This weighs in at just over 2 lbs. My 14V Fein drill is quite a bit more and lets you know it when working overhead. I went straight to a tough test for a first attempt. I grabbed a ragged 4” lag bolt with a partially stripped head and a scrap 2X6 board. With no predrill it drove it slowly but never faltered. I later learned that the lower RPM’s are paramount for the higher torque. That seemed counter-intuitive at first, but makes sense once I thought it through. The impact mode kicked in almost instantly and seemed to get to full torque in about 5 seconds by the feel of it. The negative was the noise. No idea how loud it was going to be. If used constantly, protection would be essential as it is in another category of loud compared to normal drivers. That alone is why I went 4 out of 5 stars. I haven’t used other impactors, but I would think the noise could be reduced somehow. That might sacrifice weight and size, I suppose. Just can’t say for sure. A standard 3” brass screw into the same 2X6 went very smoothly. The impact mode kicked in quickly as I didn’t predrill. I was able to use the variable trigger to ease to a stop. I then didn’t ease into it and another screw would allow me to burrow through the entire board if I didn’t stop. I imagine the head would simple break in many cases if not careful. I then tried out how it would work for a cabinet job. I tried to get to the various screws in already built shop cabinets and the small size allowed for simple access. Can’t comment on batteries just yet. The charger reflected full charge in under 30 minutes as indicated, but I can’t say that it really is fully charged or how long that’ll buy you in usage. It looks like the 10.8V is not in production as the 12V seems to have replaced it. I imagine that’s why WoodSmith/Shopnotes have picked them up as their Top Tip freebie.
I would love someone to let me know how this model stands up against rivals. Haven’t used any of them so some perspective would be great.
-- Jeff, South Carolina