New Axminster Precision Range (Rulers, Squares etc)

[transatlantic]

http://www.axminster.co.uk/axminster-precision

they seem fairly cheap.

 

[memzey]

Interesting. Shame they don't have any straight edges in that bracket.

 

[Myfordman]

As far as precision squares are concerned you would be better off buying an engineers square and keeping in a decent box to calibrate other everyday squares with.
eg http://www.axminster.co.uk/axminster-pr ... e-ax965991 (250mm) for £18
vs http://www.axminster.co.uk/axminster-pr ... e-ax965996 (225mm) for £40

 

[transatlantic]

Assuming the engineers square is accurate (they have a habit not to at that price), may as well just use it day to day. Cheap enough

 

[custard]

As far as precision squares are concerned you would be better off buying an engineers square and keeping in a decent box to calibrate other everyday squares with.

+1

That's what I do.

Plus I prefer a wooden straight edge for much day to day workshop use, so an engineer's straight edge gets used to check disposable wooden straight edges that are nice and light, won't dent the workpiece, and can get cheerfully reshaped or run through the woodburner if they ever get dropped.

 

[Biliphuster]

I have seen those squares before, I think they are made in India. Those infilled squares are certainly pretty in principle but I doubt the fit and finish will be great at that price.

 

[Estoril-5]

Anyone bought any of these? What's the verdict?

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[Nelsun]

I have the 10" and, as far as I can make out (drawing a line, flipping it over to check and via dogs in an MFT), it's dead on square. It came in a thick cardboard case with foam padding which is where it stays until something needs calibrating.

 

[John15]

Axminster say 'guaranteed square' to DIN875/11 but don't give the + or - tolerance which tells you how square. I guess the DIN number gives it.

John

 

[AJB Temple]

I thought DIN 875 accuracy was /1 or /2 for workshop use and 00 or 0 for lab reference use. I have a German lab square marked as 875/0 which I understand is not as good as 00. This is made in one piece (not a blade mounted to a handle). In practical terms woodwork surely does not need that level of accuracy.

 

[JohnPW]

I suspect it's "DIN875/II" ie roman numeral "2", not eleven or one one: "DIN875/11".

Four 90° angles, all faces square to all edges

Stainless steel blade triple riveted for permanent accuracy

Finely ground and with polished finish

Conforms to DIN875/II, guaranteed square and straight

Notch on inside corner aids accuracy of reading

Supplied in a foam lined case

 

[Nelsun]

This PDF lists the various DIN 875 tolerances with 2 (guessing that to be "II" in Axminster parlance) being the least accurate:

I'll put my hands up to not knowing exactly what the "Maximum variation (angle) µm" measurement equates to in real life. Anyone able to enlighten me?

 

[Estoril-5]

What baffles me is you can get a Class I square for half the price of the Axi Class II, see below (both same size)

http://www.toolstation.com/shop/Hand+To ... are/p23063

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[WellsWood]

Looking at the tape measures in the range it would appear that the word "precision" is being used in the same vein as all those "professional" tools one can buy. Class 2 is not what I would expect from such nomenclature, especially as you can get a Fisco class 1 for a couple of quid more.

 

[lurker]

they seem fairly cheap.

for a good reason :shock:

 

[AJB Temple]

I was in Axminster Sittingbourne today and had a look these. I put the small (about 6") engineer's square (indeed class 2) against the inner and outer faces of the similar sized wood and metal try square. Assuming the engineers square is accurate, the try square was fine on the outside but showed clear daylight at the heel end circa 0.1mm I would guess. From this one or both must be out of square. 0.1mm over the length of a small square is not great.

I can buy a lab grade reference square in Germany, similar to what I already have, for circa €20, trade.

It was also interesting that the Sittingbourne shop appears to be cutting back substantially on Japanese tools. Far few chisels than they used to have and limited stock of saws, marking instruments etc.

 

[SteveF]

I think they moved the stand for some of the japanese stuff,there was a few bits by the veritas stuff
and they seemed to have "mingled" some with the standard stuff
the japanese rulers are on the far right wall with the standard rulers
they are a bit more expensive than the standard ones and probably no better quality, but so much easier for my eyes to read

Steve

 

[JohnPW]

This PDF lists the various DIN 875 tolerances with 2 (guessing that to be "II" in Axminster parlance) being the least accurate:

I'll put my hands up to not knowing exactly what the "Maximum variation (angle) µm" measurement equates to in real life. Anyone able to enlighten me?

µm is micrometre/micron, there's 1,000 µm in 1 mm.

The 100mm DIN 875/2 square is within 30µm,
30µm = 0.03mm (30/1,000), or 3 hundredth of 1 mm

Between 10 μm and 100 μm

10 to 55 μm – width of wool fibre
17 to 171 μm – diameter of human hair
70 to 180 μm – thickness of paper

 

[Nelsun]

This PDF lists the various DIN 875 tolerances with 2 (guessing that to be "II" in Axminster parlance) being the least accurate:

I'll put my hands up to not knowing exactly what the "Maximum variation (angle) µm" measurement equates to in real life. Anyone able to enlighten me?

µm is micrometre/micron, there's 1,000 µm in 1 mm.

The 100mm DIN 875/2 square is within 30µm,
30µm = 0.03mm (30/1,000), or 3 hundredth of 1 mm

Between 10 μm and 100 μm

10 to 55 μm – width of wool fibre
17 to 171 μm – diameter of human hair
70 to 180 μm – thickness of paper

Thanks for that John. Felt a bit dumb for asking but now I know. For my 250mm square coming in at 45μm (0.045/mm) could be out up to 0.18mm over 1m then? That doesn't sound much to worry about. It'd give a compound (if that's the right term) margin for error of 0.78mm in a metre square form. I think :/

 

[Estoril-5]

What baffles me is you can get a Class I square for half the price of the Axi Class II, see below (both same size)

http://www.toolstation.com/shop/Hand+To ... are/p23063

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I've answered my own question, it may be class 1 buy when I viewed it at my local toolstation it had silverline branded on it. Said no ta asap.

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