This Mounting Kit can be used to "rubbermount" tank a in your frame. The tabs can be welded to the frame. In your tank you drill a Ø12mm hole where you can weld-in the Ø12mm plug with M8 internal thread. You can mount the tank with the M8 hex bolt. Off course there are an infinite number of things to bolt to the frame.
This Mounting Kit is available separately and is made ??from well weldable steel.