Assembled 12g x 50mm screws and 26mm grey dome seal.

For use with polycarbonate sheeting with Sharp T17 for self-drilling in timber

To use: pre-dill a hole into the polycarbonate sheeting - 10mm for sheets up to 2.4m and a 12mm hole for 2.4m and above.

Then using a 5/16” hex socket, install the screw slowly at 1,000RPM.