Manufacturer: Scrooz
Cup head 4.6 grade carriage bolts (also known as coach bolts) with low profile dome head and square under head locking lug which bites into timber sections preventing turning of the whole assembly when tightening. Bolts supplied complete with hex nuts, designed for general purpose construction bolting of timber to timber and timber to steel, zinc plated finish for internal or dry use, they can also be used externally if required although we would recommend our galvanised version for use in treated timbers for wet and corrosive environments
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