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New drill set required


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Hi Mike,

these people supply to the model engineering brigade https://www.rdgtools.co.uk/acatalog/DRILL_SETS.html

 

HSS will do you OK. The cobalt drills may be over the top for our meagre needs.

 

Dormer drills are very good. I'm sure there are sets of these out there.

 

What ever you do I would not recommend 'Draper' products.

 

Roger

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I buy cheap drill sets whenever I see them on sale at places like Lidl.

 

They usually last about 3 to four years by which time I have probably broken the small ones and I just buy another set. If I running a business, yes I'd buy quality but for what I use them for, the cheap ones do the job.

 

Rgds Ian

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Cheap drills do not generally drill accurately sized holes, I do quite a lot of model engineering and try to only buy quality. Look for ground bits rather than rolled, they are not much more expensive, buy good bits of the sizes you want and don't waste money on sets.

Tim

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For what I do the drill bits I buy are fine. Other folks can make their own choices.

 

The majority of my drilling is done using a bench drill and as mentioned by Neil, I run it at its slowest speed.

 

Ive never had one unravel the way the one in your photo has Roger. What did you do to it?

 

Rgds Ian

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Hi Iain,

very simple really. I was drilling a piece of 1mm (19SWG) mild steel sheet and a reasonable speed and the drill tip caught on the edge as it broke though to the other side. The drill bit stop but the drill has momentum and ran on for less than a second.

 

When I looked at the drill bit I couldn't believe my eyes. Never seen that before. Usually they snap.

 

I bought some fairly expensive ones and have found that the flutes are too deep. This reduces the cross section area and are difficult to use in a electric hand drill.

Probably OK for a pillar drill.

 

Roger

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Hi Brian,

Dormer are an old establish company that produce quality engineering tools.

 

Like with many things today, finding the items is getting more and more difficult when the market is flooded with cheap rubbish.

 

Roger

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Presto are not too shabby either! We use them at work. IMO no need for the extra expense of cobalt tips, just get ’stove burners’. Get the cutting speed, feed and lube/ coolant right and they will cut through just about anything!

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cobalt are a specialist drill and will tend to break/chip

 

buy a set of drills, a grindstone, and learn how to put an edge on them

 

at westlands a/c you were given 3 drills you learned to sharpen them quickly

 

no holes no money

 

pink

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