Where to buy PCB Drill bits in Hong Kong ?

audio_cf · 28th January 2003, 06:35 AM

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

///CF

jmpsmash · 29th January 2003, 06:25 AM

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.

fmak · 29th January 2003, 07:02 AM

[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.

audio_cf · 29th January 2003, 07:34 AM

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.

///CF

fmak · 29th January 2003, 10:48 AM

[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.

audio_cf · 29th January 2003, 10:54 AM

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

SkinnyBoy · 29th January 2003, 10:56 AM

[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...

fmak · 29th January 2003, 12:53 PM

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

28th January 2003, 06:35 AM	#1
audio_cf diyAudio Member Join Date: May 2001 Location: USA Dallas	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 __________________ ///CF

29th January 2003, 07:02 AM	#3
fmak diyAudio Member Join Date: May 2001 Location: London UK	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.

29th January 2003, 07:34 AM	#4
audio_cf diyAudio Member Join Date: May 2001 Location: USA Dallas	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. ///CF __________________ ///CF

29th January 2003, 10:54 AM	#6
audio_cf diyAudio Member Join Date: May 2001 Location: USA Dallas	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 __________________ ///CF

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29th January 2003, 10:48 AM	#5
fmak diyAudio Member Join Date: May 2001 Location: London UK	[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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