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-   -   What to look for in a cordless screwdriver? (https://www.diybanter.com/uk-diy/197576-what-look-cordless-screwdriver.html)

JohnB April 10th 07 10:40 PM

What to look for in a cordless screwdriver?
 
I know there have been a few threads on this topic over the last year or
so - based on recommendation requests.

Rather than ask for recommendations per se, I would just like to know
what you folks think is important for a cordless screwdriver (_ drill if
possible) to meet my needs.

These needs are quite modest. I have a small B&D unit that is OK for
small jobs - but it is low in torque and today wasn't up to putting 30mm
screws into the barge boards for my new guttering. I don't usually ever
put in more that 20-30 screws in a session or drill more that a few 6mm
holes in brick. i.e. modest DIY activities - shelves, guttering, IKEA
furniture, etc.

So don't want to spend a fortune but need some advice what to go for, so..

What voltage should I look out for and is more always better ?
What's a minimum torque you would choose?
Would you suggest variable torque settings ?
What's an acceptable charge time?
Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?
Anything else to look out for?

Thanks for any pointers

--
JohnB

Doki April 10th 07 11:49 PM

What to look for in a cordless screwdriver?
 

"JohnB" wrote in message
...
I know there have been a few threads on this topic over the last year or
so - based on recommendation requests.

Rather than ask for recommendations per se, I would just like to know what
you folks think is important for a cordless screwdriver (_ drill if
possible) to meet my needs.

These needs are quite modest. I have a small B&D unit that is OK for
small jobs - but it is low in torque and today wasn't up to putting 30mm
screws into the barge boards for my new guttering. I don't usually ever
put in more that 20-30 screws in a session or drill more that a few 6mm
holes in brick. i.e. modest DIY activities - shelves, guttering, IKEA
furniture, etc.

So don't want to spend a fortune but need some advice what to go for, so..

What voltage should I look out for and is more always better ?
What's a minimum torque you would choose?
Would you suggest variable torque settings ?


I like em. Low torque settings are particularly useful for rattling free
rusty old fasteners that would otherwise get rounded off as you struggle
with them.

What's an acceptable charge time?
Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?


I'd have a cheapy cordless drill / screwdriver and a big hammer drill or
hilti for proper work.


The Medway Handyman April 11th 07 12:19 AM

What to look for in a cordless screwdriver?
 
JohnB wrote:
So don't want to spend a fortune but need some advice what to go for,
so..
What voltage should I look out for and is more always better ?


Not always, I have a 9:6v Bosch that punches well over its weight.

What's a minimum torque you would choose?


It's rarely shown in the spec on low end tools.

Would you suggest variable torque settings ?


Almost all have this feature.

What's an acceptable charge time?


Depends on your useage. I would want 1 hour or less. 5 hours might be
perfectly acceptable to you. Do make sure the charger is automatic e.g. it
switches off when the battery is charged.

Are there difference in battery type/performance?


Yes!

Over what weight would you say it becomes tiresome?


For what? I have a 14:4 v Wickes which is a heavy powerful bugger, great
for inserting decking screws, but I use the little Bosch 9:6v for putting up
curtain track & flat pack.

Would you go for a drill/driver combo?


Yes.

Anything else to look out for?


Two speed via a gearbox is useful. Lower speed = equals higher torque,
higher speed is better for drilling.


--
Dave
The Medway Handyman
www.medwayhandyman.co.uk
01634 717930
07850 597257



[email protected] April 11th 07 06:48 AM

What to look for in a cordless screwdriver?
 
On 10 Apr, 22:40, JohnB wrote:

I know there have been a few threads on this topic over the last year or
so - based on recommendation requests.

Rather than ask for recommendations per se, I would just like to know
what you folks think is important for a cordless screwdriver (_ drill if
possible) to meet my needs.

These needs are quite modest. I have a small B&D unit that is OK for
small jobs - but it is low in torque and today wasn't up to putting 30mm
screws into the barge boards for my new guttering. I don't usually ever
put in more that 20-30 screws in a session or drill more that a few 6mm
holes in brick. i.e. modest DIY activities - shelves, guttering, IKEA
furniture, etc.

So don't want to spend a fortune but need some advice what to go for, so..

What voltage should I look out for and is more always better ?
What's a minimum torque you would choose?
Would you suggest variable torque settings ?
What's an acceptable charge time?
Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?
Anything else to look out for?

Thanks for any pointers



Despite what you've said its hard to know what you want, a drill or
screwdriver. If you've got neither, I'd go for a drill first, which
will also work as a screwdriver. A cheap 9 or 12v tool will do all you
want and quite a bit more, so not much point spending any more really.
You can get those for around a tenner.

A cordless screwdriver is a smaller lighter lower torque lower speed
thing, the only advantage of which is very light weight. Its not
needed, but if you do a lot of screwing it can make working easier.

What charge time is acceptable? Surely thats your decision, no-one
elses!

The prime drawback to cheap codless tools is that the batteries
discharge themselves over a month or so, so if you dont use it much
you'd need to recharge before use. There are other differences of
course, but for what you're doing cheap tools are more than enough.


NT


[email protected] April 11th 07 07:49 AM

What to look for in a cordless screwdriver?
 
If your needs are not well defined, but you want a good combination of
quality/value - go to a builders merchants and ask about any current
offers they have on reasonable quality stuff (BM's tend to really know
the kit they sell and be fairly honest about it).

Avoid the utter tripe, the batteries won't last, unless you're a
person that looses/damages stuff and low cost is best. But other than
that, simply pick a good deal rather than shop for features (battery
quality, number and recharge time is what really sets different
cordless drills apart).

One of my best cheapo buys was 10 quid for a new Skil from a car boot
sale. 1 battery, at least an hour to recharge, no features at all -
but hey - for a tenner - I was pleased. Used it until I went fulltime,
and needed 2 batteries/fast recharge/single sleeve chuck etc.

Like an earlier poster, I use a reasonably light cordless drill driver
for timber only and a mains sds drill for the heavy stuff.

The only downside to that combination is that the mains sds drill is
too long for access everywhere - but a compact cordless sds is still
tres expensive.


robgraham April 11th 07 08:21 AM

What to look for in a cordless screwdriver?
 
On 10 Apr, 22:40, JohnB wrote:
I know there have been a few threads on this topic over the last year or
so - based on recommendation requests.

Rather than ask for recommendations per se, I would just like to know
what you folks think is important for a cordless screwdriver (_ drill if
possible) to meet my needs.

These needs are quite modest. I have a small B&D unit that is OK for
small jobs - but it is low in torque and today wasn't up to putting 30mm
screws into the barge boards for my new guttering. I don't usually ever
put in more that 20-30 screws in a session or drill more that a few 6mm
holes in brick. i.e. modest DIY activities - shelves, guttering, IKEA
furniture, etc.

So don't want to spend a fortune but need some advice what to go for, so..

What voltage should I look out for and is more always better ?
What's a minimum torque you would choose?
Would you suggest variable torque settings ?
What's an acceptable charge time?
Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?
Anything else to look out for?

Thanks for any pointers

--
JohnB


I'll go with what Dave the Handyman has to say - the wee Bosch is a
great tool; maybe only 9.6V but for a pretty active DIY amateur it's a
great tool.

If you are doing a lot of work, then 2 batteries and a fast charger
are essential. Yes higher voltage will give you more power but at
cost and weight - the wee Bosch weighs 1.5kg and has two speeds (great
for careful drilling).

Avoid cheapo drills - their batteries are as, said above, very poor
(been there, done it!), and don't last.

It does depend on what type of work you do - most house hold work is
drilling/screwing small/medium size screws into softwood and I would
go again for a good quality smaller machine because it is light, with
2 batteries, a rapid charger (don't they all have that now), 2
speeds. NiCd batteries require to be fully discharged before
recharging (usually no difficulty doing this); NiMh - don't know
advantages apart from being able to recharge at any time; Li-ion (if
it is available) has higher capacity and is much lighter, but that
might reduce the balance of the tool when using it.

Rob


Dave Plowman (News) April 11th 07 08:49 AM

What to look for in a cordless screwdriver?
 
In article .com,
robgraham wrote:
NiCd batteries require to be fully discharged before
recharging (usually no difficulty doing this)


They most certainly don't and will likely be damaged by this. Simply
re-charge when the performance dictates this.

The memory thing is an urban myth. Spread by makers to blame the consumer
for early battery failure.

--
*Shin: a device for finding furniture in the dark *

Dave Plowman London SW
To e-mail, change noise into sound.

Brian L Johnson April 11th 07 11:19 AM

What to look for in a cordless screwdriver?
 
JohnB wrote

What voltage should I look out for and is more always better ?


More is better, but also heavier. 12v or 14.4v is a good compromise for
a drill-driver.

What's a minimum torque you would choose?
Would you suggest variable torque settings ?


Don't go berserk on this one. A drill/driver with Low/Medium/High is
perfectly adequate. Mine has 20-odd settings which I don't use. g

What's an acceptable charge time?


I would *always* go for a charge of 1 hour or less. Having a 5-hour
recharge time simply means that you cannot use the tool for the rest of
that day.

Yes, having multiple batteries goes some way to mitigate against that
problem, but that costs money and, anyway, will you remember to charge
the spare?

Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?


Yes, because it's always handy to be able to drill a pilot hole and then
drive in a screw without schlepping all the way downstairs and back out
to the garage to get the drill that you didn't remember to bring
upstairs when you started the job. g

Anything else to look out for?


Make sure that when you release the trigger, it stops dead. An early
Bosch driver that I bought gets it's torque from gearing down the motor.
When I release the trigger, the gears take about another 1/8 of a turn
to come to a halt. Very, very annoying.

--
-blj-

John Rumm April 11th 07 12:52 PM

What to look for in a cordless screwdriver?
 
JohnB wrote:


So don't want to spend a fortune but need some advice what to go for, so..


Some of these are answered in:

http://www.diyfaq.org.uk/powertools/cordless.htm

There is also a guide to performance of the various voltage options he

http://www.diyfaq.org.uk/powertools/drill.htm

Note that is not a "absolute" answer - but only a guide - you will find
tools that can punch well above or below that weight.

What voltage should I look out for and is more always better ?


I would guess from your description, going for a decent lower voltage
tool (say 9.6V or 12V) will give you best compromise on performance,
price, and shelf life.

What's a minimum torque you would choose?


Anything that can do 25Nm or better ought to be adequate.

Would you suggest variable torque settings ?


Yes, absolutely.

What's an acceptable charge time?


Anything up to an hour. You need a minimum of two batteries even for
occasional use.

Are there difference in battery type/performance?


Yes, *vast* - this is one of the most important factors with cordless
tool performance (the quality of the charger being almost as important).

Over what weight would you say it becomes tiresome?


Hard to answer, depends much on what you are doing, how you are working,
and how strong your wrists are!

Would you go for a drill/driver combo?


As opposed to a dedicated screw driver, or a drill/driver combi hammer
drill? Yes.

When you need hammer action, you would be better of with a cheap mains
hammer drill in addition to the cordless for those occasions (e.g.
shelves).

Anything else to look out for?


Gearbox - metal teeth are better than plastic, and having a third gear
can get power out of the smaller voltage tools in more usable ways. A
13mm chuck is far more versatile than a 10mm one.




--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/

robgraham April 11th 07 09:50 PM

What to look for in a cordless screwdriver?
 
On 11 Apr, 12:52, John Rumm wrote:
JohnB wrote:
So don't want to spend a fortune but need some advice what to go for, so..


Some of these are answered in:

http://www.diyfaq.org.uk/powertools/cordless.htm

There is also a guide to performance of the various voltage options he

http://www.diyfaq.org.uk/powertools/drill.htm

Note that is not a "absolute" answer - but only a guide - you will find
tools that can punch well above or below that weight.

What voltage should I look out for and is more always better ?


I would guess from your description, going for a decent lower voltage
tool (say 9.6V or 12V) will give you best compromise on performance,
price, and shelf life.

What's a minimum torque you would choose?


Anything that can do 25Nm or better ought to be adequate.

Would you suggest variable torque settings ?


Yes, absolutely.

What's an acceptable charge time?


Anything up to an hour. You need a minimum of two batteries even for
occasional use.

Are there difference in battery type/performance?


Yes, *vast* - this is one of the most important factors with cordless
tool performance (the quality of the charger being almost as important).

Over what weight would you say it becomes tiresome?


Hard to answer, depends much on what you are doing, how you are working,
and how strong your wrists are!

Would you go for a drill/driver combo?


As opposed to a dedicated screw driver, or a drill/driver combi hammer
drill? Yes.

When you need hammer action, you would be better of with a cheap mains
hammer drill in addition to the cordless for those occasions (e.g.
shelves).

Anything else to look out for?


Gearbox - metal teeth are better than plastic, and having a third gear
can get power out of the smaller voltage tools in more usable ways. A
13mm chuck is far more versatile than a 10mm one.

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/


Just out of interest, mainly because I've never had a hammer drill and
went straight to SDS - what is the point of the hammer drill when
cheap SDS ones now exist? I bought a £25 one from Aldis a couple of
years ago and not only does it drill holes in concrete,etc. as if
going through butter, but it continues to do so. Wonderful tool and
wonderful value.

Rob


Lurch April 11th 07 09:51 PM

What to look for in a cordless screwdriver?
 
On 11 Apr 2007 13:50:07 -0700, "robgraham"
mused:

Just out of interest, mainly because I've never had a hammer drill and
went straight to SDS - what is the point of the hammer drill when
cheap SDS ones now exist? I bought a £25 one from Aldis a couple of
years ago and not only does it drill holes in concrete,etc. as if
going through butter, but it continues to do so. Wonderful tool and
wonderful value.

I have several 230, 110 and various battery SDS drills but I still use
the good old gentle 14.4V combi drill for drilling into soft materials
as the SDS is sometimes a bit overkill for a couple of 5.5mm holes in
soft cinderblock when you've just cut a box in and the surrounding
block is 'fragile'.
--
Regards,
Stuart.

robgraham April 11th 07 10:03 PM

What to look for in a cordless screwdriver?
 
On 11 Apr, 08:49, "Dave Plowman (News)" wrote:
In article .com,
robgraham wrote:

NiCd batteries require to be fully discharged before
recharging (usually no difficulty doing this)


They most certainly don't and will likely be damaged by this.

Dave Plowman London SW
To e-mail, change noise into sound.


Rubbish - I've had this drill with Ni-Cd batteries for probably as
much as 6 years now using it regularly on DIY. When the performance
starts to run down I make sure that the capacity is effectively at
zero by running the motor off load to the point when the motor speed
is dropping off noticeably, and then put the battery on charge. Both
batteries are still holding an excellent charge and show no signs of
wearing out.

I agree that there is a certain myth about the 'memory' effect that
was related more to over-charging than to anything else but unlike Ni-
Mh batteries which tolerate a top-up charge at any time, Ni-Cds are
better suited to a full discharge cycle. 'Discharge' in this context
being the point at which they will deliver no more power - certainly
there is a point of no return if they are flattened completely and
that is not what I meant and I trust most users would understand that.

Rob


Dave Plowman (News) April 11th 07 11:38 PM

What to look for in a cordless screwdriver?
 
In article .com,
robgraham wrote:
On 11 Apr, 08:49, "Dave Plowman (News)" wrote:
In article .com,
robgraham wrote:

NiCd batteries require to be fully discharged before
recharging (usually no difficulty doing this)


They most certainly don't and will likely be damaged by this.

Dave Plowman London SW
To e-mail, change noise into sound.


I'm curious as to why you've edited my post but left the sig in?

Rubbish - I've had this drill with Ni-Cd batteries for probably as
much as 6 years now using it regularly on DIY. When the performance
starts to run down I make sure that the capacity is effectively at
zero by running the motor off load to the point when the motor speed
is dropping off noticeably, and then put the battery on charge.


But that's not what you said - it's what *I* said in the bit you snipped.

********

Simply re-charge when the performance dictates this.



********

You said fully discharged - that would mean leaving the frill running
until it stopped and then some. Which will knacker the batteries. Just
recharge when it's obvious they need it.

Both batteries are still holding an excellent charge and show no signs
of wearing out.


Battery life is given in cycles - not years. And the quality of the
original cells and charger effects this.

I agree that there is a certain myth about the 'memory' effect that
was related more to over-charging than to anything else but unlike Ni-
Mh batteries which tolerate a top-up charge at any time, Ni-Cds are
better suited to a full discharge cycle. 'Discharge' in this context
being the point at which they will deliver no more power - certainly
there is a point of no return if they are flattened completely and
that is not what I meant and I trust most users would understand that.


Unfortunately not. Tell someone with no knowledge it is vital to 'fully
discharge' them and that's what they'll do. And in the process do far more
harm than recharging one which is only partially exhausted.

--
*What do little birdies see when they get knocked unconscious? *

Dave Plowman London SW
To e-mail, change noise into sound.

John Rumm April 12th 07 03:36 AM

What to look for in a cordless screwdriver?
 
robgraham wrote:

Just out of interest, mainly because I've never had a hammer drill and
went straight to SDS - what is the point of the hammer drill when
cheap SDS ones now exist?


In the context of the above discussion, the OP could equally well go for
a SDS in place of a hammer drill. However I did not get the feeling from
his post that much drilling of hard materials was required and this is
where the SDS really comes into its own.

I bought a £25 one from Aldis a couple of
years ago and not only does it drill holes in concrete,etc. as if
going through butter, but it continues to do so. Wonderful tool and
wonderful value.


You may find it a bit brutal for use on some softer masonry materials.
Also many of the budget SDS machines are great hulking brutes that weigh
a ton, and lack the finesse of a decent speed control.

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/

Ed Sirett April 13th 07 08:30 PM

What to look for in a cordless screwdriver?
 
On Tue, 10 Apr 2007 22:40:38 +0100, JohnB wrote:

I know there have been a few threads on this topic over the last year or
so - based on recommendation requests.

Rather than ask for recommendations per se, I would just like to know
what you folks think is important for a cordless screwdriver (_ drill if
possible) to meet my needs.

These needs are quite modest. I have a small B&D unit that is OK for
small jobs - but it is low in torque and today wasn't up to putting 30mm
screws into the barge boards for my new guttering. I don't usually ever
put in more that 20-30 screws in a session or drill more that a few 6mm
holes in brick. i.e. modest DIY activities - shelves, guttering, IKEA
furniture, etc.

So don't want to spend a fortune but need some advice what to go for, so..

What voltage should I look out for and is more always better ?
What's a minimum torque you would choose?
Would you suggest variable torque settings ?
What's an acceptable charge time?
Are there difference in battery type/performance?
Over what weight would you say it becomes tiresome?
Would you go for a drill/driver combo?
Anything else to look out for?

Thanks for any pointers


Isn't there a FAQ for this by John Rumm?

Absolute.

1) Two batteries.
2) Torque limiter.
3) Reverse
4) Hi low gear range.
5) Quality keyless chuck.
6) variable speed.
7) Instant stop.

Nice
1) Indestructible = expensive but cheap in long run.
2) Light and balanced.


Fantasy:
Hides itself when about to be stolen.

Note that my second hand seriously abused and worn out makita is somehow
more useable than my £100 used new Dewalt. (The £250 Dewalt is probably
really nice though).

--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at http://www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html
Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html
Gas Fitting Standards Docs he http://www.makewrite.demon.co.uk/GasFittingStandards


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