Stud, rear brake drum, non-locating, Norton full width hubs ea

Stud, rear brake drum, non-locating, Norton  featherbed frames with  full width hubs, each. For repair of a damaged or missing stud from an original drum/sprocket, screwed in and peened. 9/16 inch x 20 tpi one end, 7/16 inch x 26 tpi on the other, OL 1.4 inch, Central boss 0.307 inch x 0.680 inch.
Original part number:
K12-2/472 - Rear brake drum stud
18339 - rear brake drum stud non-locating
18338 - rear brake drum stud locating