JD and Beastlet: Adapter threads
JD and Beastlet: Old 2-blade spinner thread
JD and Beastlet: Apparently 3/8-16 and M10.0 x 1.5 are compatible!
JD and Beastlet: Bolt face reduction math
JD and Beastlet: Faces marked
JD and Beastlet: At the grinder
JD and Beastlet: Height set
JD and Beastlet: Grinding the faces
JD and Beastlet: The nut is in the socket
JD and Beastlet: $5 for 10 washers!
JD and Beastlet: Washers are too big around
JD and Beastlet: Washers pressed onto tapered rod - 01
JD and Beastlet: Washers pressed onto tapered rod - 02
JD and Beastlet: Rod chucked in drill
JD and Beastlet: Grinding parallel to the edges
JD and Beastlet: Tapping the washers on
JD and Beastlet: Tapping the washers off
JD and Beastlet: Filing down the burrs
JD and Beastlet: Washers fit
JD and Beastlet: Washers in
JD and Beastlet: Loctite on, nut on
JD and Beastlet: NGK CM-6 - 01
JD and Beastlet: NGK CM-6 - 02
JD and Beastlet: Single bolt prop adapter - loctite on the bolts
JD and Beastlet: Cleaning the bolts for loctite
JD and Beastlet: Single bolt prop adapter installation complete