Suffolk Farm Fencing stock a range of gate and fence hardware.
Met Posts, bolt down, drive in and repair spikes to fit wooden posts into details here
Hinges, catches and hooks in galvanised and black finish, for fastening domestic gates we have Suffolk latches and ring handled gate latches. hold back cabin hooks. Padlock bolts of several sizes.
For livestock gates, sprung levers and drop overs along with gate closing springs, details here.
Also tree ties, staples, nails and much more, details here.