Description
8″ TWIN STEM FLAT BRACKET 17MM W/ 8″ STEM
The 8″ twin post centre roller bracket is designed to mount a standard 8″ keel or centre roller with a 16mm spindle. Built for boat trailers, it features dual 18mm square mounting posts spaced at 147mm apart. Made from hot-dip galvanised steel, this bracket offers reliable hull support and corrosion resistance in marine environments.
Key Features:
Twin-post design – Suits 18mm square stems spaced at 147mm (outside-to-outside)
Roller compatible – Fits 8″ rollers with 16mm shaft bore
Marine-grade galvanising – Hot-dip galvanised finish for superior rust protection
Bolt-on installation – Designed for quick attachment to standard cross-members
Heavy-duty construction – Strong bracket for centre hull support on boat and jet ski trailers
Applications:
Boat trailers, jet ski trailers, and PWC trailers
Designed for 8″ keel or flat centre rollers
Ideal for supporting fibreglass or aluminium hulls during transport and launch
Whats Included:
1 × Galvanised 8″ Twin Post Centre Roller Bracket
Roller, spindle, and hardware not included.

