ISO 8845:1994 Preview
Small craft with inboard engine -- Propeller shaft ends and bosses with 1:16 taper
This standard was last reviewed and confirmed* in 2010.
*Therefore this version remains current
Specifies the dimensions for interchangeability of propeller bosses and propeller shaft ends in the shaft diameter range of 20 mm to 160 mm with a taper of 1:16, intended for installation in inboard-engined recreational and commercial small craft.