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40 minutes ago, RichardHarris123 said:

I had to drill out a broken case pin, luckily I have some micro drill bits but I'm not sure about the quality.  Can anyone recommend a good make and where to buy them?

🤔 been thinking the same Rich. I have some unused vintage drills that go down to 0.1mm, and some cheap crap . Ive been looking at some carbide bits to try.

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6 minutes ago, Neverenoughwatches said:

🤔 been thinking the same Rich. I have some unused vintage drills that go down to 0.1mm, and some cheap crap . Ive been looking at some carbide bits to try.

Just checked Cousins but £54 a set or £6.50 each.  A happy medium would be good. 

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On 3/3/2023 at 6:12 PM, RichardHarris123 said:

I had to drill out a broken case pin, luckily I have some micro drill bits but I'm not sure about the quality.  Can anyone recommend a good make and where to buy them?

So i bought some cheap carbide drills after our discussion and they arrived today. Compared to the supposed hss bits i bought a while ago which were rather naff, these are far better. I cant comment on the steel quality but they have very good sharp accurate cutting faces. Ten drills from From 0.1 to 1.0 mm. Up to 0.2mm the edge was sharp , the 0.1mm at the half the size was difficult to see even at x 40 but yet to view through another biological scope i have. Still find it amazing that a cutting face of 5 hundredths of a mm is a thing. 

https://www.ebay.co.uk/itm/175352784092?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=wWJ9ztuQRi2&sssrc=2349624&ssuid=tBiLZaCfRb2&var=&widget_ver=artemis&media=COPY

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20 minutes ago, Neverenoughwatches said:

So i bought some cheap carbide drills after our discussion and they arrived today. Compared to the supposed hss bits i bought a while ago which were rather naff, these are far better. I cant comment on the steel quality but they have very good sharp accurate cutting faces. Ten drills from From 0.1 to 1.0 mm. Up to 0.2mm the edge was sharp , the 0.1mm at the half the size was difficult to see even at x 40 but yet to view through another biological scope i have. Still find it amazing that a cutting face of 5 hundredths of a mm is a thing. 

https://www.ebay.co.uk/itm/175352784092?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=wWJ9ztuQRi2&sssrc=2349624&ssuid=tBiLZaCfRb2&var=&widget_ver=artemis&media=COPY

I'm not going to need any for a while so keep me posted on how they perform. 

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