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Author Topic: Small size drill set  (Read 2113 times)

ukmike

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Small size drill set
« on: November 06, 2020, 03:33:11 pm »

Amazon, "Twist Drills" last page. Very sharp,unusually.


Mike.


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grendel

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Re: Small size drill set
« Reply #1 on: November 06, 2020, 04:08:50 pm »

I have the remains of one of those sets, very useful
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Howard

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Re: Small size drill set
« Reply #2 on: November 06, 2020, 05:15:26 pm »

I bought one of these a few years back I think on e-bay amazing value cant see me ever having to buy a small twist drill again.
                      Regards Howard.
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davejo90

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Re: Small size drill set
« Reply #3 on: November 06, 2020, 07:03:22 pm »

Yes I have one too but mines in a red plastic base, very useful for small work
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ukmike

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Re: Small size drill set
« Reply #4 on: November 06, 2020, 09:15:50 pm »

Thought that I had found a hidden gem, but it seems lots of you already have them.


I already have a few of the smaller sizes of the Chinese gold coloured ones but they are far better than those, in particular the accuracy of the sizing.
They are within a few microns of the listed sizes, which is very rare for relatively low cost drills, a trait normally found in expensive Dormer and the like.


Try this one then, but I suspect many of you guys already know it.


Mike.

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grendel

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Re: Small size drill set
« Reply #5 on: November 06, 2020, 09:28:28 pm »

got 2 of those- the lidl version
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John R Haynes

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Re: Small size drill set
« Reply #6 on: January 16, 2021, 10:10:52 am »

I bought this set of drills in the case and when tried to use some found that all the drill ends were cut square and blunt ie not tapered to a point therefore making them unusable and a waste of money . Anybody else had the same experience ?
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TailUK

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Re: Small size drill set
« Reply #7 on: January 16, 2021, 10:21:01 am »

I have to concur with John on this. My experience with these drill sets is that the quality isn't great.  They
do work but only in non resistant materials.  I broke one getting it off the sellotape that was holding the bundle of drills together
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roycv

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Re: Small size drill set
« Reply #8 on: January 16, 2021, 10:25:46 am »

Hi Umike, I have a very similar set of drills right down to a size where they are bundled together so they do not get lost.  I bought mine for £10 at one of the Model engineer exhibitions at Allexander Palace.  I did not realise how important the clear plastic cover was in keeping the drills together and in place so some of mine are a bit mixed up, but excellent drills.
regards
Roy


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roycv

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Re: Small size drill set
« Reply #9 on: January 16, 2021, 10:31:58 am »

Hi, the only time I use the very small drills 0.5mm is through a jig already drilled to fit.  I was drilling 1mm brass tubing (as stanchions) and the 0.5 drill for feeding the handrails through.  Never lost a drill.
Roy
 
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Plastic - RIP

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Re: Small size drill set
« Reply #10 on: January 16, 2021, 10:46:22 am »

I bought this set of drills in the case and when tried to use some found that all the drill ends were cut square and blunt ie not tapered to a point therefore making them unusable and a waste of money . Anybody else had the same experience ?
I find that a lot with cheap small diameter drills - anything up to about 1.5mm is hit or miss about the centring of the cutting point and the symmetry of the ground angles - almost like their smallest collet is 2mm so they hold them by hand on the grinder.    %)
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Taranis

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Re: Small size drill set
« Reply #11 on: January 16, 2021, 11:17:26 am »

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ANDY
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grendel

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Re: Small size drill set
« Reply #12 on: January 17, 2021, 05:44:39 am »

for metal cutting I buy the carbide pcb drills, they break very easily, but are the only thing I have found to drill very small (0.7mm) holes through stainless steel
https://www.amazon.co.uk/Useful-Print-Circuit-Board-Carbide/dp/B00K74HUSO
but be warned, they break if you look at them too hard, expecially the smaller sizes, i usually break them putting the drill down, not a drill bit to use if you dont have very steady hands
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TailUK

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Re: Small size drill set
« Reply #13 on: January 18, 2021, 03:38:20 am »

For sub 1mm sizes, guitar strings are useful.  Available in several sizes a single string will keep you in short lengths for months.

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roycv

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Re: Small size drill set
« Reply #14 on: January 18, 2021, 08:32:38 am »

Hi I had not thought of guitar strings.  The drills in my set go down to 0.1mm just don't drop one!  A friend told me that if you file a part taper onto the last 4 or 5 mm of a length of piano wire you can use that as a  drill.  I have tried it and it works well.
Regards
Roy
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