Why Buy an SDS Plus Rotary Hammer Action Drill?
Charlie DIYte Charlie DIYte
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 Published On May 5, 2019

Thinking of buying an SDS drill? You're in luck, because in today's video I will be explaining the key differences between an SDS Drill and a standard Drill with hammer action.

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Today's Toolkit
Here are the power tools featured in today's video:
- Ryobi CRH1801 2 mode SDS Plus Drill (now discontinued)
- Titan TTB278 SDS Plus rotary hammer action SDS plus drill http://bit.ly/2VhnJBh £59.99 *
- De Walt DCH033 http://bit.ly/2GY6xqC £199.99 *
- Makita DHR242 https://geni.us/iS4w4LZ (Amazon)
- Makita DHR202SMW http://bit.ly/2Wr3pd6 £199.99 *
- Milwaukee M18CHX https://geni.us/dwXs2D (Amazon)
- Erbauer ERH18-LI http://bit.ly/2WmnZeU £149 *
- Bosch GBH18 V-20 https://geni.us/gOuynGd (Amazon)
- Makita HP2015F standard hammer drill (THIS IS NOT AN SDS DRILL)
* Not affiliate links

The Amazon links above are affiliate links. It doesn't cost you anything to click on them but I do earn a small commission if you do.

And here's the legal bit I have to state: As an Amazon Associate I earn from qualifying purchases.

I've been using SDS Plus drills for several years now, in my day job fitting curtains and blinds. It's an essential part of my tool kit because I once found myself without an SDS Plus drill, trying to drill a hole in a concrete lintel with my Makita standard hammer action drill. I simply couldn't make a hole in the concrete and spent hours and several drill bits trying to penetrate the concrete. An SDS Plus drill would have got the job done in seconds!

There are actually two types of SDS in existence - SDS Plus (featured in today's video) and SDS Max, the big brother of SDS Plus, used for drilling much wider diameter holes, typically in the construction industry. There's also Spline, the US equivalent, which was prevalent across the US whilst SDS was being developed in Europe (Germany to be precise) in the 1970s.

SDS Plus drill bits slot into the drill chuck, and the drill bit slides in and out, driven by a piston inside the drill, retained in its slots by sprung mounted ball bearings. This gives the drill a much stronger more efficient hammer action than a standard hammer drill, in which the drill and chuck both vibrate together, but to a much more limited degree - which is less efficient, means the drill travels a smaller distance and leads to a less concentrated impact.

There are 2 types of SDS drill:
1) 2 mode - rotary and rotary hammer action
2) 3 mode - rotary, rotary and hammer, and hammer only (also known as rotary stop). In rotary stop mode, the drill bit does not rotate, which allows you to insert chisels for chiselling, channelling and chipping. It is this third mode which also makes the drill particularly useful.

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Charlie DIYte
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