Close-up of finished adjuster, 19mm radius.
Valve tip ground flat/square. About 0.003"-0.004" removed, saving the stellite surface.
Grinder locked into 90° position. Spinning valve slowly fed in.
The grinder has an 8mm ID spindle, so it can also grind valve tips. Junk valve chucked up. Note crazing/cracking of tip.
Close-up of finished adjuster, 19mm radius.
Polished tip. Reflection is the overhead strip lighting.
Next step, polish the radiused tip.
Finished grinding to 19mm radius
TwoManyXS1Bs

Close-up of finished adjuster, 19mm radius.

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8mm Grinder
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