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Old 28th January 2003, 06:35 AM   #1
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Default Where to buy PCB Drill bits in Hong Kong ?

Where can I find not to expensive PCB Drill bits HSC carbide in Hong Kong ?

///CF
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Old 29th January 2003, 06:25 AM   #2
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Default Re: Where to buy PCB Drill bits in Hong Kong ?

Quote:
Originally posted by audio_cf
Where can I find not to expensive PCB Drill bits HSC carbide in Hong Kong ?

///CF
Ap Liu street in Sham Shui Po (reachable by MTR) should have it.
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Old 29th January 2003, 07:02 AM   #3
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Default Re: Re: Where to buy PCB Drill bits in Hong Kong ?

[QUOTE]Originally posted by jmpsmash
[B]

Ap Liu street in Sham Shui Po (reachable by MTR) should have it.
---------------------------------------------

Just use ordinary drills from hardware stores; they are so cheap in HK. Unless you are proeducing en mass. Carbide ones are not cheap even in Ap Liu.
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Old 29th January 2003, 07:34 AM   #4
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I have tried normal HSS drills and it doesnt work. Maybe I can get 2 - 3 decent holes before the holes start to look more like craters then holes and the copper is ripped apart from the laminate.


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Old 29th January 2003, 10:48 AM   #5
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[QUOTE]Originally posted by audio_cf
[B]I have tried normal HSS drills and it doesnt work. Maybe I can get 2 - 3 decent holes before the holes start to look more like craters then holes and the copper is ripped apart from the laminate.
-----------------------------------
I don't have that problem with drills bought in Hong Kong. What are you drilling and have you the right speed?

Some HSS drills bought in UK are crap.
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Old 29th January 2003, 10:54 AM   #6
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I have used a Bench drill press at the highest speed it
can 2800 rpm. Do I have to use a higher speed with the HSS drills ?
The HSC drills are so fragile so thats why I need some new ones in sweden they are redicolusly expensive. I have seen in china a long time ago HSC drills for about 1,5 EUR a piece!

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Old 29th January 2003, 10:56 AM   #7
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[QUOTE]Originally posted by fmak
[B]
Quote:
Originally posted by audio_cf
I have tried normal HSS drills and it doesnt work. Maybe I can get 2 - 3 decent holes before the holes start to look more like craters then holes and the copper is ripped apart from the laminate.
-----------------------------------
I don't have that problem with drills bought in Hong Kong. What are you drilling and have you the right speed?

Some HSS drills bought in UK are crap.
lol, its funny cos you always delete the end of the quote script.. yeah, using a standard electric hand drill will dive poor results...
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Old 29th January 2003, 12:53 PM   #8
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Quote:
Originally posted by audio_cf
I have used a Bench drill press at the highest speed it
can 2800 rpm. Do I have to use a higher speed with the HSS drills ?
The HSC drills are so fragile so thats why I need some new ones in sweden they are redicolusly expensive. I have seen in china a long time ago HSC drills for about 1,5 EUR a piece!

///CF
----------------------------------------------
You need a proper drill 5000 to 10 000 rev/min
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