Saw blade blanks

**Heavansabove** · 25th August 2013, 11:58 AM

Originally Posted by DSEL74

Peter,

Where are you getting your bolts? The shank size seems to vary slightly so you will want to match drill to the bolts unless you make your own.

Issac above your post, makes saw bolts by the way and it you get a batch of bolts from him he could probably ship a carbide drill bit over with them and you know they would match..

I have a number of spare bolts from various sources, the sizes set out below (some are from disassembled saws):

*Spare Saw Nut Dimensions (minor diameter)**	type of handle	inch	fraction
small UK handle late 20th C cheap	backsaw	0.194	3/16
S&J medallion - slotted early 20th C square shank	handsaw	0.156	5/32
WS split nut late 19th C	handsaw	0.142	9/64
Sandvik 1960s (major diameter) plastic handle	handsaw	0.247	1/4
Disston 12 1896-1917 (a few of these)	handsaw	0.206	13/64
split nuts UK	backsaw?	0.156	5/32
split nuts UK early	backsaw	0.120	1/8
split nuts UK early	?	0.149	5/32
S & J slotted	handsaw	0.211	7/32
From Ray group buy 1/2" (Wenzloff?)		0.158	5/32
Disston 1960s	backsaw	0.210	7/32
S & J slotted Spearior	dovetail	0.210	7/32
E Henry & Co slotted	dovetail	0.151	5/32
* minor diameter is the screw shaft that goes through the plate

From this it seems that for most saw screws around, you need 5/32 and 7/32 drills. Others will have more data to add

**RayG** · 25th August 2013, 05:51 PM

Just another data point...

The Lie-Nielsen Saw Screws are a few thou under 3/16 (0.184) I note that they haven't got the square anti-rotation shoulder. But at $5 each they are good value.

The screw head is 7/16. And the overall length is 7/8.

Regards
Ray

**hiroller** · 25th August 2013, 06:02 PM

Hi Ray,

I notice that Lie Nielsen sell both "Split Nut & Bolt Pair" for the Dovetail saw and "Slotted Bolt & Nut Pair" with the Tenon Saw, do you know what the difference is?
Links here:
Lie-Nielsen Toolworks USA | Dovetail Saw
Lie-Nielsen Toolworks USA | Tenon Saws

cheers

**DSEL74** · 25th August 2013, 06:27 PM

Originally Posted by hiroller

Hi Ray,

I notice that Lie Nielsen sell both "Split Nut & Bolt Pair" for the Dovetail saw and "Slotted Bolt & Nut Pair" with the Tenon Saw, do you know what the difference is?
Links here:
Lie-Nielsen Toolworks USA | Dovetail Saw
Lie-Nielsen Toolworks USA | Tenon Saws

cheers

I'm not 100% certain but the split nut from the dovetail saw has the slot in the nut, and the Tenon saw has the slot in the bolt head. I also think the tenon saw has raised domed heads where the dovetail is flush finish. I tried googling the images to try and confirm but can't find a reasonable image.

Maybe someone with the saws can confirm.

**RayG** · 25th August 2013, 07:01 PM

Hi Dale, Hiroller,

I'm not sure, but that sounds correct... Josh has more than a few LN saws, so I'll go look in his toolbox

Here's a picture of the ones I bought.

DSCN3372.JPG

Ok I raided Josh's toolbox... The larger LN saws have domed heads and the smaller ones are split nuts... and I discovered the little saw that IanW made.... I might have to reclaim that!

DSCN3374s.JPG

There is a third type of course and that's the medallion screw ( sometimes called label screw )

Regards
Ray

**hiroller** · 25th August 2013, 07:36 PM

Hi,

Thanks for the prompt update.
One more question, do the various LN saw handles have the same thickness?

Thanks.

**RayG** · 26th August 2013, 09:22 PM

Originally Posted by hiroller

Hi,

Thanks for the prompt update.
One more question, do the various LN saw handles have the same thickness?

Thanks.

Yes, the ones I measured are all 23.0mm to 23.2mm, ( 29/32") or near enough to 7/8" someone with very large hands might prefer 1" thick, but mostly 7/8" seem to suit the majority.

Regards
Ray

**DSEL74** · 27th August 2013, 07:05 PM

Look what I got!

There is 3 Diff rolls in the box.

**RayG** · 27th August 2013, 07:56 PM

Hi Dale,

Nice!

just be a bit wary when you are unpacking the coil, I use a couple of quick release clamps to stop it from unwinding... it is a big roll of spring steel after all...

Regards
Ray

**DSEL74** · 27th August 2013, 10:24 PM

Originally Posted by RayG

Hi Dale,

Nice!

just be a bit wary when you are unpacking the coil, I use a couple of quick release clamps to stop it from unwinding... it is a big roll of spring steel after all...

Regards
Ray

Good tip ray! Wouldn't really like a slap in the face from it! 50' of condensed force

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