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I madeĀ a replacement sight elevator for an air rifle the other day. It required me to undercut a groove in a tiny piece of plastic (1/4″x1/4″x1/2″). I found that I had some micro keyseat cutters (marked “Richards”) and gave them a try. Normally keyseat cutters are used to cut semicircular woodruff keyseats but they work okay for tee slotting and other slotting jobs.

Sorry for the picture quality — shiny metal and black plastic is a bit difficult to photograph. The tee slot cutting went well. I had to take small cuts as the plastic really wants to come out of the vise.

The finished part.

Two of the cutters I have. As I said they are marked “Richards”, which I presume means Richards Micro-tool but I was unable to find them in their catalog. I did find two suppliers of Carbide ones, Harvey Tool and Whitney Tool, although they are a tad expensive. I could have probably used a Dremel 198 cutter as well.

In any case, I thought it would be worth mentioning this type of cutter as it was certainly a problem solver for this project.

 

3 Responses to Tiny Woodruff Keyseat/T-slot Cutters

  1. Kai Howells says:

    Maybe it’s just me, but all three images above look the same…

  2. ShopMonger says:

    I thought I was just drinking too much and seeing double…

    ShopMonger
    KnickKnackwood.com

    p.s. where are the podcasts…..Come on guys

  3. Nick Carter says:

    I uploaded 3 different pics, not sure what happened…I can’t change posts once the editor has put them up unfortunately…

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