Drill Doctor 750x
- Thread starter marcros
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paulm
IG paulm_outdoors
I have a smaller model version and it works well, spent a day hunting out and sharpening all my various drill bits after I got it and got very good results very easily.
that is encouraging. I was thinking of going for the big one because it is $139 in home depot and works out cheaper than the smaller ones over here.
The smaller one there is $99, so for the sake of a few quid...
The smaller one there is $99, so for the sake of a few quid...
paulm
IG paulm_outdoors
Sounds good to me, unless you've got the time and patience to learn to do them by hand, which I haven't !
Only other thought is how many replacement drill bits you could buy for the same money instead, but that's a bit wasteful and not so much fun
Only other thought is how many replacement drill bits you could buy for the same money instead, but that's a bit wasteful and not so much fun
Graham Orm
Established Member
You can buy an awful lot of drill bits for that!
paulm
IG paulm_outdoors
Graham Orm":2arrfp25 said:
Yes, it is a valid thought of course. I think I paid around £50 for my smaller one in a rutlands "sale", and at that price it just about made sense for me, especially as I had quite a few masonry bits to do as well as the cheaper jobber bits, but I probably wouldn't have paid more than that, good though it is.
woodbrains
Established Member
Hello,
I wonder how long the sharpening wheels last? High speed grinding with diamond abrasive and steel are not happy bedfellows.
Mike
I wonder how long the sharpening wheels last? High speed grinding with diamond abrasive and steel are not happy bedfellows.
Mike
Graham Orm
Established Member
I sharpen anything over 1/4" on the grinder freehand (if I can be bothered), anything smaller I go to a decent tool shop and buy them individually 4 at a time. :shock: ....Edit: 4 per size.....you know what I mean.
It's easy enough, have a look on the university of You Tube for concise instructions and go spend the money on beer......
You're welcome.
It's easy enough, have a look on the university of You Tube for concise instructions and go spend the money on beer......
You're welcome.
the reviews online seem to be mixed. My main interest was for some bits that I have, in 0.1mm increments that I need to remain accurate- I wouldnt trust myself to do these on a bench grinder, not that I even have one.
However, I think that you are correct, that it is easier to just purchase them in the sizes that I blunt. uk drills seems reasonable for the money (my use is mainly in plastics and rubber), postage is quick enough, so it probably isnt even worth the investment in time to learn it freehand.
However, I think that you are correct, that it is easier to just purchase them in the sizes that I blunt. uk drills seems reasonable for the money (my use is mainly in plastics and rubber), postage is quick enough, so it probably isnt even worth the investment in time to learn it freehand.
I bought this box of drills from screwfix when they were on offer at £19.99 and shared them with a mate. Not worth sharpening at this price.
http://www.screwfix.com/p/erbauer-hss-d ... 0pcs/73567
http://www.screwfix.com/p/erbauer-hss-d ... 0pcs/73567
graduate_owner
Established Member
I remember reading that the diamond grit sharpening wheels are a bit too course for a really good result. Although I tried a friend's Drill Doctor myself once and the result seemed pretty good.
I have a Martek drill powered sharpener which again seems to me to be pretty good. I have had it for about 25 years and recently managed to get replacement sharpening stones so I can use it again. It cost £30 in those days. I tend to put blunt drills to one side and then sharpen them as a whole batch. I think 1/2" is the largest it will take. I have read that anything bigger can be done freehand on a grindstons. That may be true for some people but unfortunately not true for me. I have no freehand sharpening skills when it comes to drills - perhaps I should try to learn. One of these days.
K
I have a Martek drill powered sharpener which again seems to me to be pretty good. I have had it for about 25 years and recently managed to get replacement sharpening stones so I can use it again. It cost £30 in those days. I tend to put blunt drills to one side and then sharpen them as a whole batch. I think 1/2" is the largest it will take. I have read that anything bigger can be done freehand on a grindstons. That may be true for some people but unfortunately not true for me. I have no freehand sharpening skills when it comes to drills - perhaps I should try to learn. One of these days.
K
