11.1mm arbour in a 10mm chuck

Change it for a bigger one.

 

Usually there is a machine screw in the centre of the chuck which is on a lefthand thread and then the chuck uncrews from its arbour.

 

It might be easier just to buy another drill with a 13mm chuck.

 

Put it on a bench grinder if you have one make it fit

 

yes you need a more powerful drill you may burn it out or stall it if its too big

 

I dunno about "put it on a grinder", as it would probably not run true. Have you got any mates in the engineering game who could do a quick "homer" on a centre lathe, although I must agree with with big all, if your drill only has a 3/8 (10mm) chuck, then it probably ain't man enough for the job.

 

Ain't you got a mate that you could borrow a bigger drill for a 5 minute job ?

 

F-me. An 11.1mm arbor for a 44mm holesaw?

Christ!

Mr. HandyAndy - Really

 

Are you using Hex Shank Holesaw Arbor, they do a 9.5mm version,might just fit, I think you be ok using it with 44mm hole saw

http://www.screwfix.com/p/hex-shank-holesaw-arbor-9-5mm/11336

 

http://www.ebay.co.uk/itm/like/2815...ICEP3.0.0-L&ff14=122&viphx=1&ops=true&ff13=80

 

I was thinking along those lines chippie. both of my arbors (starrett) are 11mm. Any smaller,then there wouldn't be much "meat" around the pilot drill.

 

http://www.ebay.co.uk/itm/like/3114...ICEP3.0.0-L&ff14=122&viphx=1&ops=true&ff13=80
These are easier to use but more expensive.

 

Hate them, safer with proper hex arbors, or that expansive bit you linked to.

 

Expansive bit is easy to use, just use drill on slow speed.
Some tool hire do half days.

Where are you.

 

Future-proof yourself, Rich:

http://www.ebay.co.uk/itm/Professio...2-UNF-Black-/331595534688?hash=item4d34a25160

(That's chust the first one that came up - there could be cheaper and better out there. Blimey, you could even clamp that one in your existing chuck and not even have to swap them... )