Bosch PS40-2 10.8-Volt Impact Driver | 
| Brand: Bosch
List Price: $357.00
Buy New: $99.95
You Save: $257.05 (72%)
New (17) Refurbished (1) from $79.95
Rating:  48 reviews
Sales Rank: 704
Media: Tools & Hardware
Autographed: No
Memorabilia: No
Batteries Included: Yes
Shipping Weight (lbs): 5.5
Dimensions (in): 12.6 x 11.8 x 4.2
MPN: PS40-2
Model: PS40-2
UPC: 000346361711
EAN: 0000346361711
ASIN: B000P71QJW
Availability: Usually ships in 1-2 business days
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| Features:
| • | Powerful Hammer and Anvil System [feature] Produces 800 in/lbs of torque [benefit] | | • | High Performance Motor and All Metal Gears [features] Deliver 1,800 RPM and 3,000 BPM for fast fastening | | • | Compact and Lightweight [feature] Only 6/12 in length, just 2.2 lbs | | • | Hex Quick Change Chuck [feature] Instantly change from drill bits to driving bits | | • | Bright LED Work Light [feature] Three LED lights in the front end of the tool for optimum lighting |
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Product Description
10.8V Impact Driver, 60% More Torque Than 18V Drill/Drive, 800 INLB Of Max Torque, Bosch Designed Hammer & Anvil System Delivers 1,800 RPM/3,000 BPM, LED Light Ring 3 LEDs Illuminate Work Area For Use In Dark Areas, Litheonca 10.8V Batteries, Spring Loaded Impact Mechanism Reduces User Fatigue, Aluminum Gear Housing With Protective Rubber Front, 1/4 JE Hex Drive With Quick Release, Variable Speed Trigger For Complete Control, Includes: 1 Carrying Case, Two 1.5 JE Power Drive Bits, One 30 Minute Charger BC430, & 2 Litheonca 10.8V Batteries BAT411.
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| Customer Reviews: Read 43 more reviews...
 Nearly Perfect July 16, 2007
K. Smith (Brookeville, md USA)
31 out of 34 found this review helpful
I've had the PS40 for over six months now and find it to be an excellent driver - nearly perfect.
At first I was put off by the noise of the impact mechanism, but after drilling hundreds of deck screws I came to appreciate the tremendous amount of torque available. More torque is usually a good thing, but in a standard drill/driver excessive torque can be bad as it requires more work, is less precise, or possibly dangerous if the tool, say, twists you off a ladder. The PS40 doesn't have this problem, in fact, it requires less effort to drive the same fastener as a standard driver or drill. I found myself backing off on the downward pressure to the fastener - much less force is necessary to keep the bit engaged. In particular this is a boon for those situations where you can't get a good and strong angle, such as working overhead or where the screw is hidden from view. With the PS40, if you can get the bit in the fastener that's probably enough to get the job done.
The impact noise is loud but not "hurt your ears" loud. If you're using it inside it may annoy others in the house, be forewarned.
The size, grip, weight, balance, and battery life are all excellent. It really does feel like a phaser, that is, if the phaser actually existed.
I have not tried using it as a drill. To do that would require purchase of a conversion chuck such as the DEWALT DW0521 Quick Connect Impact Driver Conversion Chuck (which is now on my wish list), or hex-shanked drill bits. Still, I find it quicker to use a regular drill for holes and then swap to the driver.
For lighter duty driver applications, I would think the non-impact PS20 would be ideal (though I've not tried it). Given that the '20 retails for just over $100 (for the 2 battery & charger kit) I'm considering buying one to compliment the 40. If they ever sell just the PS20 driver alone I will definitely buy one.
The PS40-2A kit differs from the PS40-2 in that they throw in a belt holster. I wouldn't pay extra for it.
I strongly recommended the PS40 for mid to high torque applications, such as deck building, drywall hanging, and framing.
 great design, but February 17, 2008
pen name
11 out of 12 found this review helpful
Bosch PS40-2 10.8V Impact Driver
Terific design. It is light small and fits it a tool kit with ease. it's worklight is a nice touch. 30 minute charges wonderful. BUT. it will not work under 32 degrees F. annoying and unacceptable. the batteries wont work in the cold. also, it is not even close to the torque of my dewalt 18v drill. after failing to put 3 inch screws in all the way, I got my dewalt out and I forgot how much torque it had. i wont get another lithium powered drill.
Good in certain applications April 17, 2008
Sharkman (Abbotsford, Canada)
7 out of 7 found this review helpful
I purchased this driver to help me in my work as an electrician. It's a well designed very compact tool, but won't replace my drill.
First, the features. It's so small! It gets into places my 18 volt drill only dreams about and with the LED lights is very practical. The quality of build is apparent, and I like the balance of weight when it's in your hand. The handle is also well shaped and the direction switch is easily reached with your thumb, something I have to strain for with my 18 volt. The batteries last well although I haven't taken up Bosch on their number of screws driven on a charge claim. But the 30min. charge time seems pretty accurate. It turns at up to 1800 rpm and comes with 2 batteries.
I've tried the tool out on a number of applications. Driving screws into wood, I have found the hammer action begins too soon, on a 1 inch screw the hammer action drives about 3/4 of it. The hammer action also seems to drive in smaller increments, and these two add up to it taking a long time to drive a 1" screw into wood.
I've also tried it out on driving wafer screws into Q-deck. Q-deck is that steel ceiling in warehouse type buildings that is ribbed and wafer screws are about 1/2" and come with and without self-tapping tips. Again the Bosch PS40 begins the hammer action too soon for quickness and I prefer my regular drill for this too.
For my liking, this impact gun works best on steel stud construction, again with wafer screws. Steel studs are a thinner metal than Q-deck and the screws drive in quite rapidly.
The best feature of this gun for me is it's size and weight. There are plenty of times when I'm up a ladder and can just drop the thing in my pouch instead of hauling up my 18 volt drill. It might be slower in some applications, but it is much more convenient to use. And with the hammer action it's also easier to screw without straining against the torque of a conventional drill.
It's also quite handy for removing doors off of panels or any kind of steel box. You can get up to 8 or more screws per cover and with a screwdriver this can take a while. Just be careful when replacing the screws, the hammer action will start to strip the screws if you overtighten.
As a trademan, speed is usually of the essence which is why I refer to it taking too long in some applications. this is not necessarily a fault of the tool, it depends on your priorities. You need to weigh that against the size and ease of use for your needs.
 Bosch PS40-2 10.8V Impact Driver Hobby grade at best November 16, 2007
R. Wilson
6 out of 14 found this review helpful
This tool does not perform up to the claims made by Bosch. The impact has no torque or speed. With a full charge the batteries only lasted for about 25 3" screws in 2x4 soft pine. This would be a great tool for hobbyist, or if you needed to put some screws into styrofoam. Any one that makes a living with their tools will be very dissapointed in this impact driver.
Awesome Fastener January 3, 2008
C. Enderle (az)
6 out of 6 found this review helpful
This little tool is the best driver i could ask for. The reviews that say the PS40 dosnt have any torque, must be talking about something else. I just got done helping my brother in law put a roof on their barn and i used this thing on 3 1/2 inch and 2 1/2 inch screws all day (1 battery change). I was putting screws straight into nots in the wood which were very stiff and it just pushed them in. I also used it to fasten sheet metal to the roof and using self tapping screws it was so easy. I picked up my dewalt 18v drill/driver and tried it out for comparison but the bosch impact driver is just so much handier, the dewalt went back in the box. Great ergonomics, good power, and style make this my favorite tool.
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