Rocburn – Single Thread Screwjack – 450mm – Brass

Rocburn – Single Thread Screwjack – 450mm – Brass
Single thread screwjack, made in solid brass and laquered to maintain the finish, single thread screwjacks are typically used on timber roof vents on a pitched roof of a conservatory or orangerie.

The brackets can be used in either direction depending on the frame dimensions you are fixing to. These screwjacks are made from one brass rod and are typically quicker to wind open and closed compared to the telescopic version.