We found that the PSA could drive a bolt in at an average time of 18 seconds, a full 6 seconds faster than the PSA. Needless to say, the Impactor drove the fastener in with no trouble at all, all the way up to the head. On the practical side we really did love the power to size factor. Some of you might be wondering exactly how does an impact driver different from a drill? The upper level noise fluctuated a little depending on the fasteners we were using and the material we were trying to drive them into.

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The product does exactly what I bought it for. Please read and accept our website Terms and Privacy Policy to post a comment. Where the PSA has screws located in the center of the protective side bumpers that were susceptible to abrasion, Bosch has now either recessed or completely covered these in the PSA. The 12 V lithium-ion Max batteries used with this cordless impact driver offer extended operation on a single charge.

The LED lights came in very handy in this application of the tool because as we were reaching inside the cabinets. Our site uses cookies.

Bosch PSA 12V Li-Ion 1/4″ Hex Cordless Drill | eBay

Next we took the same fastener and sent it home in the same piece of wood without a pilot hole — and got the same results.

This bosch is the best one compare to other grand name. This is an excellent feature and you no longer have to guess about how much charge is left on your battery when you pick up the tool. Tom is one of the original founders of Pro Tool Reviews.


InClint was one of the founders of the Pro Tool Reviews online magazine. All we know is that it seems to work, and work well. We have always found Bosch to have fairly accurate and truthful specs, and this tool continues that trend.

These tools are becoming popular because of their small size and high power.

Bosch even improved the rubberized grip for better handling. The trigger is a variable speed type that will allow the user to adjust motor speed depending on how far the trigger is pulled. I agree to the Terms and Privacy Policy.

Driver Nice tool Verified purchase: Compact, lightweight and powerful are easy ways to describe the little impact driver that packs in in-lb of screw driving torque and only uses a 12 volt Li-Ion battery to do it. With all the interest in sub-compact battery powered tools, we figured it was time we started to check out some of the offerings that are available right now. Sporting an ergonomic soft-grip handle, the Bosch PSA provides extended comfort and better control. This is a handy feature because many of the drills and impact drivers we see only have one led on the lower side of the tool that leaves a big dark spot overhead where you are often trying to line up the tool.

We did not strip out a single screw head, which anyone who has used stainless steel square drive screws knows is not an easy thing to accomplish when using a regular drill. The Bosch Impact Driver seems to also use the entire shaft of the tool, all the way up to the hex chuck as a heat sink.

This Bosch impact driver can be put to use for many applications, thanks to its variable speed trigger.


To keep it fair, both tools made use of a brand new, fully-charged BAT battery. When he’s not remodeling part of his house or playing with the latest power tool, Clint enjoys life as a husband, father and avid reader. Show More Show Less.

Bosch PS40-2A Impact Driver Review

Inside the body is a high performance frameless motor with all metal gears and a metal hammer mechanism which delivers 1, RPM and 3, BPM beats per minute. By continuing to use our site you are agreeing to our Cookie Policy.

There are a ring of three LED lights that are located on the front of the Ipact that act as a flashlight that evenly lights up around the bit when the trigger is pulled. Premium WordPress Themes Download. The trouble with this pocket is that there is no way to secure it closed, and every time we moved the case around, the instruction manuals fell out on to the floor.

Tom has nearly twenty years of experience in residential and commercial construction, having been a project manager at a engineering firm, then starting his own architectural design company, and finally owning and operating a residential construction company as a licensed contractor in South Carolina. Our site uses cookies. I think what struck us the most was how Bosch seemed to be attending to two different aspects of tool improvement at the same time.