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Good set of drills

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herbert punter31/10/2020 22:21:56
128 forum posts
1 photos

Just a heads up, Arc are doing a set of drills 1-6mm for near enough £40 posted, split point for the larger than 3mm. I’ve bought a set. No connection other than a satisfied customer.

Bert

gary01/11/2020 06:57:08
135 forum posts
31 photos

have you used them herbert

herbert punter01/11/2020 08:01:21
128 forum posts
1 photos

Not yet, I only ordered them yesterday, they do look to be good value.

This far, I’ve not been disappointed with anything from Arc.

Bert

Speedy Builder501/11/2020 08:02:58
2500 forum posts
196 photos

Back in 1964, I was 'given' a full set of Dormer drills, Fraction, number and letter. These have been used extensively over the last 66 years, sharpened by hand and I still have over 80% of the sets left. Buy quality and they will last, buy cheap and take your chances.

Bob

Emgee01/11/2020 09:53:55
2312 forum posts
277 photos

I have found that with some small sizes of split point drills they can drill oversize holes in some materials, I found this out the hard way after drilling some 2.9mm holes to then ream to a 3mm H7 hole. The reamer didn't remove any material when used as the pre-drilled holes were bigger than the reamer diameter, a 3,1mm Dormer drill blank was a good sliding fit in the drilled hole.

The lesson I learnt here was to always confirm the drilled diameter on some scrap same type material before possibly spoiling the part.

Emgee

JasonB01/11/2020 10:09:15
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21999 forum posts
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Although I don't have the set mentioned I do have a few of the individual drill bits and while not at the same level as say an A002 Dormer they are quite reasonable and a lot better than bits in some sets I have bought from the ME trade. With a similar sized set of Dormers selling at around £90 after heavy discount the ARC set would be a good mid range choice. I used one this weekend with no worries about risking a part that will have the best part of 5hrs work in it when complete.

herbert punter01/11/2020 10:22:24
128 forum posts
1 photos

I do have a set or Dormers and similar quality drills up to 13mm, but I don’t use the good drills for jobs that don’t call for them.

Bert

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