Jig & threaded blank
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Freshly machined thumb wheel blank
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Screw blank on underside of jig, locknut it, drill through one hole, use lock pin (silver coloured part), drill through other holes, deburr, fettle & smooth thumb wheel.
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Nice!
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What’s in the CAD file…
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Materials: 1 x 60x60x16 mild steel plate 1 x M12x80mm bzp bolt 1 x M6x40mm 12.9ht Socket cap bolt 1 x m6 washer 1 x m6 nut 1 x 13mmx32mm o/d, m6 threaded, 6 series Aluminium blank
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knoba – thumb wheel jig – 2018.dxf
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