Failure. The internal thread on the puller is as weird as the external thread. No long bolt could be found. The eared socket idea works well, though extra guiding hands may be needed on some collars.

Back to welding the bicycle nut to an appropriate nut for the slide hammer.

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1983 300SD "Guderian"
1987 MR2
2015 Camry
2015 Chevy Spark
2006 Hyundai Tucson