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Rob Cosman's Dovetail Saw: Regular Size

Rob Cosman Dovetail Saw
  • Rob Cosman Dovetail Saw
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  • Rob Cosman Dovetail Saw
  • Saw handle sizing
  • Rob Cosman's Professional Dovetail Saw
  • Rob Cosman Dovetail Saw Handle
  • Rob Cosman's Dovetail Saw
  • Rob Cosman's Professional Dovetail Saw
  • Rob Cosman's Dovetail Saw
  • Rob Cosman's Professional Dovetail Saw
  • Rob Cosman's Professional Dovetail Saw
  • Rob Cosman's  Dovetail Saw
  • Rob cosman's Dovetail Saw

Rob Cosman's Dovetail Saw: Regular Size

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After teaching thousands of students to cut dovetails by hand and dealing with the problems they had when using traditional dovetail saws, I decided to design and build a dovetail saw to solve these problems.

My Rob Cosman Dovetail Saw is the best saw for dovetails and is designed for rip sawing that leaves a smooth, ready-to-glue, finished surface.

I designed my dovetail saw with a .020" thin blade, 22 tpi starting teeth and 15 tpi sawing teeth, filed rip, with a minimal 2000th inch (0.002) set per side. The relaxed cutting angle of the small front teeth allows you to start the cut with ease - a major issue with other saws!  The teeth, formed with a diamond-saw, slice cleanly and precisely through wood fibers.  The minimal set creates a small kerf that guides the saw straight in the crosscut while the shallow 1-5/8 inch depth of blade (tooth-line to brass back) helps with stability while sawing to a line. The pistol grip handle conforms to your hand for a perfect, repeatable fit every time.

Product Details:

  • Size. Overall length (Toe to Handle tip): 15 - 1/8 inches.  Blade length (Toe to heal): 10 inches. Depth of plate under the back: 1 - 5/8 inches.

  • Weight: 22-24 ounces. 

  • Blade. Each of our dovetail saw blades is made from .020 Inch thick, spring steel.

  • Tooth Geometry.  Filed rip with a two-stage pitch. The first two inches of each dovetail saw is filed at 22 teeth per inch (TPI) and a 30 degree negative tooth rake, which allows you to easily start a cut. The rest of the blade is filed at 15 tpi and a 5 degree tooth rake allowing you to finish the cut with just a few strokes.

  • Set. Unlike most saw manufacturers who stamp out their saw teeth, leaving "dimples" in the blade, we individually cut out each of our saw teeth with a diamond saw.  This allows us to maintain a very slight set of only .002 inch (per side), since we don't introduce that "dimple" onto the blade.  This slight set produces a narrow .024 inch kerf that eliminates slop allowing the saw blade to accurately track in the saw kerf resulting in dead straight saw cuts with smooth ready-to-glue surfaces.

  • Brass Back: Rob Cosman dovetail saws have a 1/4″ thick x 7/8″ wide brass back secured to the blade with peened and flushed copper pins.  Not only does the brass look wonderful but it imparts extra weight to the saw, as compared to other saws, that provides you a better balanced saw, allows the saw to do the cutting work, and helps you "feel" perpendicular.

  • Handle. Our unique "pistol grip" handles have memory enhancing carved finger recesses for a perfect and comfortable fit. A pair of brass split nuts secures the handle to the blade and the brass back.  Our handles are made from Richlite an incredibly durable, sustainable, and versatile material made from High-grade FSC-certified paper infused with a thermosetting resin.  

  • Handle Size & Determining your Size: Our handles come in two sizes: Regular and Large.  Please refer to the picture above showing how to measure your hand and determine what size handle is correct for you size hand.

Customer Reviews

Based on 231 reviews
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(220)
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D
Dave Tinklepaugh
Move over Lie Nielsen

I recently attended one of Rob's weeklong Training the Hand workshops (highly recommended). I came with my Lie Nielsen dovetail saw and shared that I was struggling with the saw as it tended to skip off hardwoods when starting the cut, a no-no with dovetails. Rob handed me his saw and told me to give it a try. I now own one.

The saw is phenomenal, the smaller negatively positioned teeth at the tip allow a tiny kerf to form prior to the bigger teeth biting and the chatter disappeared. I also love the heavier weight of the saw, I can now hold the handle lightly and my lines have straightened.

As a benefit, I can mount my Lie Nielsen on the wall where it will look pretty, because it is.

R
Randall Chaffin
Dovetail Bundle

I ordered the shim tool, a replacement knife, fret saw & blades, and a dovetail saw. I picked the wrong knife by mistake, and much to my surprise received a phone call from Mr. Cosman. It was the end of a day, and for him to take the time to spend talking/helping a customer for more than a few minutes speaks volumes. The items are of the best quality. I will purchase other items from Cosman Hand Tools.

S
Scott Whitting
Cosman should charge more

Excellent saw. It is clear that practical thought went into the design. I'm a little skeptical of the handle material (FSC not wood), but I'll try it for a while and if I don't like it, I will make my own wood handle for the saw.

P
Paul McCuish
Rob Cosman Dovetail Saw

Thank you! This saw is a work of art. I was reluctant to purchase it because of the cost, but I’m glad that I bit the bullet. Reaching out for that amazing black handle put me in mind of Frodo reaching for the ring. It just felt made for my hand. Rob says that the tools are 70% of what makes good dovetails. Now I have what I need to work on the other 30%.

C
Chuck Thurston
Dovetail saw

As with all the tools I've purchased from Rob, the quality is impeccable. The only issue I have is the packaging. My saw arrived in a badly damaged cardboard box. I held my breath and carefully opened the box fully expecting a damaged saw.Fortunately it was fine. At this price more care needs to be done with packaging. Love the saw.Thanks Rob for all you do for our vets.

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