Machined from 22mm o/d silver steel. Top side.

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Underside.

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Dremeled with diamond burrs.

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Held at cherry for 6 to 7 mins.

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The gauze, I was trialling, was only good for tempering.

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Quenched, here.

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Made to fit a thread die holder.

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Finished piece. Can be sharpened on either side of cutting edge.

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Link to CAD file below.

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knoba – spot weld tip shaper – 2018.dxf

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