Repair needed mast foot

[DuncanSailor]

I took my Skipper 17 out for a shakedown cruise yesterday.
The forestay inside the roller reef parted and the entire rig collapsed. Managed to recover everything and motor back in.
When I examined the mast foot the casting has snapped where the bolt goes through.
Are these still available or can they be repaired please

 

[Refueler]

Picture please

I've just had my mast foot welded and seems to be ok ...