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Telescopic bore gauges

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thaiguzzi16/10/2019 10:17:31
645 forum posts
131 photos

Concur with Clive.

For sizing and measuring telescopics, i like to have the mic cradled in it's stand.

Robert B20/10/2019 21:24:24
9 forum posts

I have a set from Kennedy. Nicer than the cheapy sets seen at the shows but more affordable than Mitotoyo etc. Working OK for me but I cannot claim any skill.

Robin Graham20/10/2019 23:54:16
667 forum posts
151 photos
Posted by Geoff~ on 08/10/2019 15:46:51:

Hi Robin,

What did you end up buying?

I have the same dilemma,

kind regards


Hi Geoff - apologies for not responding earlier, I thought I had, but re-reading this thread it seems not.

I ended up buying a single Mitutoyo gauge for the job in hand. On reflection I thought it was probably better to buy what I needed when I needed it and let a collection of sizes I might actually use build up naturally over time.

I bought it over my local Cromwell trade counter - about 25 quid IIRC. They also brought out the Kennedy equivalent (about 7 quid cheaper) for me to twiddle, and to be honest I'm not sure I could tell the difference on the basis of over-the-counter twiddling. But being inexperienced I went for the big name - and it's a sweet tool!

Regards Robin.

Henry Brown16/03/2020 10:00:18
136 forum posts
21 photos
Posted by Mike Poole on 10/10/2019 23:28:35:

I see Chronos list them by the mysterious Dasqua, does anyone have experience of this brand?


Just wondered if anyone has bought this Dasqua set and if so what do they think of it?


Emgee16/03/2020 10:36:34
1396 forum posts
212 photos


The details state the "Contact plunger automatically self-center at all times and in all positions",
in previous comments some have found that 1 fixed end is better than both being telescopic.
I use some Moore & Wright and Mitutoyo bought s/h off ebay, both only collapse at 1 end.


Henry Brown16/03/2020 10:46:12
136 forum posts
21 photos

Thanks Emgee,

I ask because last night I went to £52, not including P&P, for a set of three gauges (one unknown make, one Mitutoyo and I M&W) but someone else wanted them more than me!

I had wondered about the double telescopic ones, I'm pretty sure that the ones I used back in the day were single tele type, probably M&W. Looking closely the Dasqua ones do look of a reasonable quality havi ng chrome plungersand they do them with an extended handle which would be handy for longer bores.

I'm in no rush and watching ebay of course but the larger ones do do for good money. Maybe a good set in inside calipers would do.

Cheers, Henry.



Edited By Henry Brown on 16/03/2020 10:54:25

Barrie Lever16/03/2020 12:48:29
336 forum posts
3 photos

I bought a set of the Dasqua telescopic bore gauges last week for job that was outside of the range of my assortment of M&W and Mitutoyo gauges.

As a rule I don't buy cheap tools but considering the job in question and my inquisitive nature, I bought the Dasqua gauges from Chronos via ebay for £20.00.

Job completed I thought I would carefully check the bore gauges over and compare to M&W and Mitutoyo. The Dasqua gauges are nicely finished and feel pretty much the same in action, probably a little more dead band on the Dasqua at the point of nipping the gauge tight. None of the gauges have any big secret in smoothness.

I unscrewed the plunger from the Mitutoyo first, the plunger came out of the gauge attached to the knurled adjustment knob, the end of the plunger that bears down on the telescoping bars was nicely finished and rounded. I took the Dasqua apart and the plunger was separate from the adjuster and was quite crudely finished.

So I rounded the end of the plunger to mimic as much as possible the Mitutoyo style and loctited (603) the plunger into the adjuster knob.

This mod has given a marginally better feel on nipping up of the gauge, I would say it is so close to the Mitutoyo now as to not be discernible.

On the M&W's that I have the plunger is retained within the gauge somehow, only the adjustment knob is removable.

Emgee will confirm that I am cantankerous and not easy to please but I am pretty happy with these Dasqua telescopic gauges.

My M&W gauges only collapse from one end the Mitutoyo collapses from both ends and the Dasqua from both ends.


Edited By Barrie Lever on 16/03/2020 12:50:11

Henry Brown16/03/2020 13:24:13
136 forum posts
21 photos

Thanks for taking the time to provide so much very useful information Barrie, it is very helpful. I'm getting used to the equipment that is commercially available at the lower end of the market now, most things respond quite well to a bit of tlc with a stone of a needle file.

I probably won't buy anything immediately, unless that elusive bargain comes along, as I'm a few weeks away from using them. My need will be when I come to machine the bores in an Economy engine I hope to collect in the next few days.

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