Cheap Hole saws needed.
 

Anyone know where I can buy two hole saws 20mm and 25mm complete with
arbour. I only need to make 3 holes in an ABS enclosure, I can't find
anything less than £19 for a set.

Cheers
Don

--
Bold is Brown with the People's Purse.

Cheap Hole saws needed.
 

On Sep 4, 12:49*pm, Donwill wrote:
Anyone know where I can buy two hole saws 20mm and 25mm complete with
arbour. I only need to make 3 holes in an ABS enclosure, I can't find
anything less than £19 for a set.

A HSS stepped drill is about £8-10 on Ebay.

It will virtually guarantee a round hole which is more central than a
holesaw can achieve and you can do all the sizes inbetween (typically
6-30mm).

The only problem is most use a 2mm step so can do 24mm or 26mm so a
little filing to do (not much for ABS). The only other problem is
thickness - the step drill can only do so much depth (about 4-5mm) so
if the enclosure is 6mm wall then you will need to do a little filing.

Holesaws are a crude tool with enclosures as the pilot hole rarely
ends up where you want it and the hole is usually oversize whereas
holes cut above are "sharp-to-dimension". Step drills are a much
better solution.

Cheap Hole saws needed.
 

"Donwill" wrote in message
...
Anyone know where I can buy two hole saws 20mm and 25mm complete with
arbour. I only need to make 3 holes in an ABS enclosure, I can't find
anything less than £19 for a set.

http://www.toolstation.com/shop/Powe.../sd1530/p23014

Maybe?

Cheap Hole saws needed.
 

On 4 Sep, 12:49, Donwill wrote:
Anyone know where I can buy two hole saws 20mm and 25mm complete with
arbour. I only need to make 3 holes in an ABS enclosure,

For that job I'd buy an adjustable tank cutter (old one off eBay?) and
do it with a hand-cranked brace.

Cheap Hole saws needed.
 

In article
,
js.b1 writes
On Sep 4, 12:49*pm, Donwill wrote:
Anyone know where I can buy two hole saws 20mm and 25mm complete with
arbour. I only need to make 3 holes in an ABS enclosure, I can't find
anything less than £19 for a set.

A HSS stepped drill is about £8-10 on Ebay.

It will virtually guarantee a round hole which is more central than a
holesaw can achieve and you can do all the sizes inbetween (typically
6-30mm).

The only problem is most use a 2mm step so can do 24mm or 26mm so a
little filing to do (not much for ABS). The only other problem is
thickness - the step drill can only do so much depth (about 4-5mm) so
if the enclosure is 6mm wall then you will need to do a little filing.

Holesaws are a crude tool with enclosures as the pilot hole rarely
ends up where you want it and the hole is usually oversize whereas
holes cut above are "sharp-to-dimension". Step drills are a much
better solution.

Got a varisized set of 3 from Lidl/Aldi for 8quid a while back for just
this purpose, excellent tool(s).
--
fred
BBC3, ITV2/3/4, channels going to the DOGs