Bosch PSB 400-2 Hammer Drill

The following article is not quite a review of the Bosch PSB 400-2 Hammer Drill but is intended to be an info page with some description, photographs and technical specifications as provided by the manufacturer.

Bosch PSB 400-2 Hammer Drill
Bosch PSB 400-2 Hammer Drill

The Bosch PSB 400-2 Hammer Drill is an old power tool, a really old one.

My dad bought this in the late 80s, and it has drilled into many brick- and concrete walls of a few houses over the years. My dad is no longer around – he died in 2002 – and although he never left this in his will to me, by virtue of my interests and hobbies, I believed I was the most suitable person in the family to assume next ownership.

He was very careful never to loan this tool out, as he knew no one would look after it as well as he would. And this is quite clearly seen in the photo at left – the hammer drill looks almost as good it is today as when he first bought it over 25 years ago. I carry the same credo today with my own set of power tools, to never loan them out, including this old-timer.

bosch psb 400-2 percussive drill
The original box is still in my possession. The box is tattered and worn…
bosch psb 400-2
…but the Bosch PSB 400-2 within it still looks pristine and new even after over 25 years of hard use!
Advertisement

“…a red plastic drill bit diameter and depth gauge, which had proved to be quite handy throughout the years.”

These days, the Bosch professional power tool series come in blue, and the home and garden series come in green, like this particular drill.

I cannot remember how much my dad paid for this, but I suspect it was somewhere around the RM400-plus region. It doesn’t come in the usual hard plastic case like you’d expect to see with the drill sets of today, but the included accessories in its cardboard retail box were quite comprehensive and includes an auxiliary handle for two-hand operation, a circular rubber pad to which some bundled cut-to-size circular sandpaper could be attached to for sanding jobs, and a red plastic drill bit diameter and depth gauge, which had proved to be quite handy throughout the years.

bosch hammer drill
The Bosch drills of yesteryears were mostly in green before the blue Professional series of today…
bosch psb 400-2
…and this particular model originated from Switzerland. Don’t see much of this these days.
“I carry the same credo today with my own set of power tools, to never loan them out, including this old-timer.”

At over 20 years of age, the chuck is already due for replacement. I have purchased a new chuck from Bosch, but haven’t got around to replacing it yet. When I do, it will be shown here.

The Bosch PSB 400-2 is quite unlike the drills of today, where speed control is by means of a switch usually located at the top of the power tool. Here, speed is controlled by pressure on the trigger switch – a light depress on the first level runs the drill at 2,200 revolutions per minute (rpm), and a heavier depress on the second level runs it at 2,800 rpm.

In hammer drilling mode, these two levels sets the vibration at 32,000 beats per minute (bpm) and 41,600 bpm respectively. A separate slide switch at the top of the Bosch PSB 400-2 sets the drill between conventional drilling mode and hammer drilling mode.

bosch psb 400-2
Unlike most drills today with gear switches, speed selection was by finger pressure on the trigger switch…
bosch psb 400-2
…with first level depress at 2,200 rpm and 32,000 bpm, and stronger second level depress at 2800 rpm and 41,600 bpm.
Get It on eBay

Specifications Technical Data
Rated power 400 W
No-load speed at Switch Level 1 0 – 2,200 rpm
Impact frequency at Switch Level 1 0 – 32,000 bpm
No-load speed at Switch Level 2 0 – 2,800 rpm
Impact frequency at Switch Level 2 0 – 41,600 bpm
Rated torque 1.5 Nm
Spindle collar diameter 43 mm
Chuck clamping range 1.5 – 10 mm
Drilling diameter in concrete 10 mm max.
Drilling diameter in masonry and brickwork 10 mm max.

bosch psb 400-2

 

SEE ALSO:

 

BOSCH HAMMER DRILLS

BOSCH POWER TOOLS

BOSCH CORDED POWER TOOLS
 


BOSCH CORDLESS POWER TOOLS
 


BOSCH COMBO POWER TOOL SETS
 


BOSCH POWER TOOL ACCESSORIES AND POWER PACK
 


BOSCH LASER RANGEFINDERS AND MEASURING TOOLS


OTHER BOSCH POWER TOOLS AND PRODUCTS
 


Subscribe
Notify of
guest

This site uses Akismet to reduce spam. Learn how your comment data is processed.

2 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments
Ethne Grey Still
Ethne Grey Still
3 years ago

Did you ever replace the chuck on this? If so, how did you do it?
My dad was getting rid of his as the teeth had broken, so I was going to remove the old chuck and replace it. However, it seems to be completely fused to the shaft and none of the advice I’ve found online so far seems to work. I’m assuming it’s just rusted onto the bit where it screws in, but I was wondering if you could describe how it would normally be replaced. Thank you.

devonbuy.com