Pack of 10 J hook roofing bolts with square nuts, steel, zinc and yellow passivated finish, size M8 x 300mm.  

Overall length 308mm, length from the end to the inside of the hook 300mm, thread M8 metric coarse (7.6mm diameter), length of thread 52mm.

Nuts are 12.85mm square and 4.9mm thick.

FREE DELIVERY TO ENGLAND/WALES/SCOTTISH LOWLANDS MAINLAND.  Next working day courier delivery available as an upgrade to England and Wales mainland only at a small extra cost:- if you take this option you MUST tell us a safe place or neighbour where it can be left if you are out when they call- they won’t leave it otherwise.