prepman Forum Supporter Messages 2,763 Location Gwynedd UK Jun 19, 2024 #61 Sorted chuck....ground jaws.....30mm test piece (unsupported) no detectable taper over 5" (126mm). Didn't expect that? Maybe corrected very slight bell-mouth?
Sorted chuck....ground jaws.....30mm test piece (unsupported) no detectable taper over 5" (126mm). Didn't expect that? Maybe corrected very slight bell-mouth?