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Thickness of Bahco Sandflex 12" hacksaw blade.

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Chris12309/02/2014 23:12:34
121 forum posts

Can someone measure the thickness of the teeth side of a Bahco Sandflex 12" hacksaw blade please.

I need the teeth side of the blade to fit into a slot.


It's this blade:

And this is the measurement I need:

Thor10/02/2014 05:39:49
1230 forum posts
37 photos

Hi Chris,

mine measured 1.13mm.


Chris12310/02/2014 11:31:03
121 forum posts

Thanks for taking the time to measure.

Although I've just been to a shop and measured one myself and it was 0.93mm! I didn't buy it as they were £3 each!

maybe there are different types?!

Stub Mandrel10/02/2014 11:47:16
4307 forum posts
291 photos
1 articles

The set, which determines the width of the cut or kerf, will depend on the number of teeth per inch of the blade. A coarser blade will have a greater set and produce a wider kerf.

As you've probably noticed the set on a hacksaw blade is produced by giving it a wavy edge, rather than by bending the teeth to the left and right as on a wood saw.

Axminster do them in 18, 24 and 32 tpi at £1.44 each, including VAT.

Personally i swear by Starrett blades, when I can get them.


Thor10/02/2014 11:57:57
1230 forum posts
37 photos

Hi Chris,

sorry I forgot to mention that the blade I measured had 18 teeth per inch. I also measured a Starret blade (also 18 tpi), it measured just under 1 mm, so it seems that different manufacturers use different blade widths.


Chris12310/02/2014 12:08:55
121 forum posts

Sorry, forgot to say it was the 24T blade I need!

axminster is a long way from me unfortunately and I need some today!

thanks anyway.

Michael Gilligan10/02/2014 12:12:11
15713 forum posts
687 photos
Posted by Stub Mandrel on 10/02/2014 11:47:16:

Personally i swear by Starrett blades, when I can get them.



I'm with you there !!

For info. ... Starrett sells direct from the website

Well worth checking from time-to-time, because they've had some excellent offers.


AB65810/02/2014 13:46:04
41 forum posts
8 photos

Good luck with this one! Measured 2 new 24T blades & got range of results....major difficulty is wave form in addition to any individual set, so where you position measuring implement is crucial. Measured longitudinally along the teeth, my digital vernier gives 1.07/1.08 at the LH end (24 TPI printed) & 1.16 at the RH end. Random measurements at 90 deg to the blade gave 0.79 to 0.84, except in the outermost inch or so where I got up to 1.20......tried a mic as well, but the between-waves/across waves variation was even worse.


AB65810/02/2014 15:30:52
41 forum posts
8 photos

Second thoughts: as I am, literally, without parallel, I used a pair of engineers' clamps placed side to side with the blade in between & measured across the sandwich. The average of the calculated results, within 0.02 of each other, was 1.03mm. If you have a height gauge & surface plate you could do something similar. Adrian

steamdave10/02/2014 17:33:45
438 forum posts
33 photos
Posted by Stub Mandrel on 10/02/2014 11:47:16:

Personally i swear by Starrett blades, when I can get them.


I swear AT Starrett blades. Bought a bunch of bi metallic ones some years ago and the teeth seem to just Fall off, regardless of the tension put on the hacksaw frame.

The Emerald Isle

ian cable10/02/2014 19:32:38
40 forum posts

mmm definite problem there then ian c

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