Infinity Tools Z.C.I. For Tapered Spline Sled, TSS-100
$14.90
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This replacement, zero-clearance insert (ZCI) for our Tapered Spline Sled, (TSS-100) will keep your cuts clean and tear-out free. Sold individually.
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Infinity Tools Z.C.I. For Tapered Spline Sled TSS-100 How would you rate this product?
Please fix above errors. 
Very happy
Took a bit to set up and fine tune. But once I got it, its tuned out much better than I was expecting. Makes my project look like a craftsman, hand fit every joint. However it is pricey. I was going to make one myself. Had I known how long it would take to ship it. I would have. But I got it and it works great.
Well designed and built, easy to accomplish
Recently gave it a go on a walnut colonial keeping chest with the larger dovetails outlined in holly, results were quite striking and execution was straight forward. I use the lager jig, but hoping to do the same with the smaller one soon for a more refined look once I figure out the right dovetail bit combinations.
Simple and fun to use, takes joinery to a much higher level.
Well build and engineered, easy to execute, adds very nice visual interest to any box or chest. Only complaint is that there's a lot of parts to keep organized, a specific storage container shipped with it for the complete set would be nice, I wound up using a gym style bag that came with a DeWalt drill driver set.
Whether used in contemporary, or classic furniture, dovetail joinery is a highlight of quality woodworking.
Infinity Tools offers a large selection of dovetail bits designed with negative shear angle to provide ultra smooth cuts, and they’re available in all sizes and for all needs. But one thing that doesn’t change … is the general shape of the bit. The weakest point of all dovetail router bits is their neck. To get the longest life possible from this type of bit, we recommend pre-plowing the groove before cutting the dovetail slot.
Pre-plowing is the concept of using a straight bit (sized smaller than the diameter of the neck) to first cut a clearance channel. Start by finding the diameter of the neck of the dovetail bit using a caliper.
Then you locate an appropriate straight bit slightly under the diameter of the neck of the dovetail bit. Use that straight bit to set up the plowing cut.
You make a first pass with the straight bit to remove much of the waste. Remember don’t run this straight bit too fast. Let the bit cut.
The dovetail bit is then used to follow through that channel, but the stress on the bit is greatly reduced, leading to better dovetail cuts … and a longer life for your dovetail bits!
Follow this simple tip and you'll get the best performance from your dovetail router bits.
