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[2woody]

RDX ?

[Sir Tigger KC]

Its not the make of drill its the type mine was under £100 and that was half price most come with a few bits.

Mine's a B&Q special that was about £40 and I've had hours of 'fun' with it knocking off plaster and render, drilling holes and breaking up concrete and stuff!   

I tried it on a 7 inch concrete floor once and it just bounced!    So I went and hired a big jackhammer!! Now that was fun!! 

[AndyRoid]

Got a cordless Bosch (GBH-24) that will easily do the job if you need it Matt.

[Gaffers]

Got a cordless Bosch (GBH-24) that will easily do the job if you need it Matt.

Thanks

I have one ordered from Screwfix, the heapy budget one I had needed to be replaced

[AndyRoid]

I've just had a thought, you aren't trying to drill this 10mm diameter hole in one go are you?

If so, I would suggest you start with a 5mm diameter drill bit and build up to 10mm.

[Kevin Wood]

Mrs. KW works for a diamond drilling contractor if things get desperate. Will ask if she can "borrow" things out of the store if you are still in need?

[Gaffers]

I've just had a thought, you aren't trying to drill this 10mm diameter hole in one go are you?

If so, I would suggest you start with a 5mm diameter drill bit and build up to 10mm.

It didn't matter what diameter drill bit I used it was going nowhere

[zirk]

Drilling 10mm holes with an SDS Drill and Bit should be a piece of cake IMHO, stones or no stones, let the Hammer Action of the Drill do the work with some slight pressure from your Arm and Body.

Presumably your drilling down for fixings, if it was me I would be looking at  Chemical Bolt fixing and using Stainless Steel Threaded Rod and Bolts, not much more money and will last the life of the Shed. 

[Gaffers]

It's a security device which is thatcham approved thus I have to use the supplied bolts.

This cheap SDS drill would do the job.

Went through the concrete like butter.  Thanks

[CaptainZok]

Trying to frack the back garden now Nursie?

[aaronjb]

It's a security device which is thatcham approved thus I have to use the supplied bolts.

What are you keeping locked up in there, Matt?


Just so I know whether or not to pop over with the bolt croppers...

[05omegav6]

The break in the weather allowed me to get outside and waterproof the base of the shed.  4 tubes of butyl rubber sealant later and the job was done.  I then got around to fixing it properly to the concrete base I made before Christmas and started to drill the 10mm holes. 4 dead drill bits and just one 30mm hole later I gave up.  Even upgrading to a heavy duty drill bit has not worked, I gave up when the drill itself started to smoke a little.

I can only think it must be the drill?  It is a corded hammer drill but from a budget range I admit.  On one hand I am happy it is obviously a solid base, but I also need to fit a bracket to lock the new bike to when I get it.  The base was made with scalpings and I can only imagine that I have hit a stone and that is what is causing the issues.

I have thought about hiring one of these for the day:

http://www.hss.com/g/2321/Heavy-Duty-Hammer-Driller.html

Any thoughts?

Why 30mm? I have got a cheap 2.5Kg SDS+ drill which is quite good for drilling 25mm holes in concrete using the hammer action or 100mm holes using a diamond core drill. It struggles with the metre long bit I use to drill 25mm holes through 2 foot thick stone walls because the bit weighs almost as much as the drill .

I struggle to hold the drill when using the larger core bits, I'm not sure I would cope with a bigger one

Think Guffers means it's taken four 10mm drill bits to make a 30mm deep hole

[Gaffers]

Trying to frack the back garden now Nursie?

No need.  Fitting a pipe to my arse and feeding me copious amounts of curry would put Scotland out of the gas business

[Gaffers]

It's a security device which is thatcham approved thus I have to use the supplied bolts.

What are you keeping locked up in there, Matt?


Just so I know whether or not to pop over with the bolt croppers...

Erm..........your moma! 

[aaronjb]

It's a security device which is thatcham approved thus I have to use the supplied bolts.

What are you keeping locked up in there, Matt?


Just so I know whether or not to pop over with the bolt croppers...

Erm..........your moma! 

You wouldn't need to bolt her in there - just shut the door, trust me.. her arthritis should keep her at bay!