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  • Members
Posted

I'm working on a couple projects and needing to hand sew what I consider extremely thick leather. Project one is about 1/2" total and project 2 is about 3/4" total... 3 and 4mm diamond chisels but the prongs on those wont go all the way through, I've got a basic awl but not a diamond one. I'd like to know what everyone recommends as far as 1.creating the stitching holes 2. What type and thickness thread should I be using? The stitches are more visual than structural but still need to be able to take some stress.

  • Members
Posted

Some people glue and then drill through thick leather

Mi omputer is ot ood at speeling , it's not me

  • Members
Posted

I use my drill press to drill the holes initially.  If you still want the look of punched holes you can push the awl in to change how the thread lays coming out of the hole.  Thread tends to lay flatter coming out of a hole punched with an awl as opposed to a drilled hole. Twice the work, but you get the effect.   

  • Members
Posted

Would it be possible to pre - prick some of the layers of leather? If you've done them all you would need to line up the holes carefully. Or if it was just the top layer you could use that as a guide for the awl blade to pass through the hole then through the next layers

I make sheaths from 3 X 3mm veg tan leather. I usually glue the welt to the front part; use a stitching chisel to make the holes in that; make up/glue on the back part; push my awl from the front through the holes and into & through the back part

I've seen previous threads where people have mounted an awl blade in a stationary pillar drill or drill press to apply more force than just by hand

As for thread, I would assume it should be fairly thick. Synthetic is stronger and less likely to fray, but you might like the look of linen. Think about 0,8mm or 1,0mm synthetic - braided polyester; or 4/18 linen, or 332 if it's measured in the French system

  • Members
Posted (edited)

Hi there can you tell me how thick a single layer of leather you are going to stitch? and what type of chisels are you using ? make or pic would help.

All the best

JCUK

Edited by jcuk
  • Members
Posted

Hardrada I'm not exactly pressed on time just trying to get some product up on my etsy page to keep my store relevant in the algorithms.

Jcuk the single layers are about a 1/4" thick but everything has already been glued. The chisels I have are just basic ones from amazon, nothing special. I can upload some pics, they're paddles so wasn't sure if that would be appropriate to post outside of the adult section. Dont wont offend anyone.

  • CFM
Posted

I punch the top layer then use that as a template for the other layers, most stitching chisels will do two layer or at least mark the bottom piece. After that I use small 1" brads in a few holes to line up all the layers. I put the brads through the top layer glue up everything then push the brads down through the other layers aligning the holes, slide all the layer down the brads and they line up very well, you may need to run an awl through the holes while sewing to open em up a bit. 

Worked in a prison for 30 years if I aint shiny every time I comment its no big deal, I just don't wave pompoms.

“I won’t be wronged, I won’t be insulted, and I won’t be laid a hand on. I don’t do these things to other people, and I require the same from them.” THE DUKE!

  • Members
Posted

Hi again

What i was going to suggest was,  to punch a single layer;  assemble your work and use your awl to pierce through the remaining layer/layers.  It would be a good way for people who are not to adept with using an awl to learn to saddle stitch, maybe you can still punch through the top layer and still do this.  Don't try  to punch all the way through all the layers as I don't think it would come out to well.

I brought some stitching chisels just to see what the fuss was about,  i get the impression they are designed for lighter to medium work  I rarely use them if ever. Most of my work is saddlery so a lot of it is heavier work using traditional methods such as using old style pricking irons so no pre punched holes in your work and yes much prefer to them.

Sorry can't be of more help only  maybe next time try punching through one layer first and then glue.

Hope this helps

JCUK  

  • Members
Posted

I would recommend you get a diamond awl the correct size and length. Sharpen and strop it and get it SHARP.  Use a stitch groover and then a stitch marker to mark your holes.  Use the awl to carefully make your holes and then you can either use two needles and make the harness makers stitch or a jerk needle and make a lockstitch just like a sewing machine.   It is the correct tools to use.  I build saddles and have for a long time.  Do yourself a favor and use the correct tools-the right way.   Only way to get professional results.

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