[TowerTalk] SDS Hammer Drill Sale
Ian White GM3SEK
gm3sek at ifwtech.co.uk
Wed Aug 30 16:09:09 EDT 2006
AA6DX - Mark wrote:
>Coupon good thru today .. lots of queries, here `tis on line
That particular model (or something very like it) has been around in
Europe for some time, but those large SDS drills may not be the bargain
they seem. At 10 pounds they are too heavy for anything but drilling or
The SDS system works by delivering very sharp hammer-blows, and it
doesn't need a heavy-bodied drill behind it, so a better choice for
all-round use would be the "2kg" class. These are large pistol-grip
drills, but still have a comfortable heft in one hand - for example:
I have that particular model, and it is solid, reliable and a real
pleasure to use. With that and a good cordless drill, I'm all set. The
old hammer drill never comes out of the box any more.
The granddaddy of all the SDS brands is Bosch, who invented the system.
However, the technology is now licensed to many other firms, so all
drills in the same weight class are pretty similar, give-or-take a few
It's worth the time and trouble to read some reviews, and then look for
a good price on a drill that has all the following features:
* "2kg" (5-pound) class... unless you are genuinely looking for a heavy
* SDS+ chuck - obviously
* Safety clutch - don't touch an SDS drill that doesn't have one! These
machines have serious torque.
* Hammer stop (drill only, for accurate starting - then flip on the
hammer action and watch it go!)
* Rotary stop for chiseling, which is lockable at several different
angles (some models have rotary stop, but either lock at only one angle
or don't lock at all)
* Good slow-speed control.
73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB)
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