G'day Jerry,
so this Boaty has no anchors then.
What's the hub like? the trick is to match your linings to the hub so that maximum surface area is gained.
Further to KB's contact in Campberfield. BGT in Dandenong can do same.
BGT Brake Services
Address: Webster Street
Dandenong, VIC, 3175
Telephone: 03 9792 2806