Countersunk Timber Insert, Left Hand Thread
Allows the tensioning of balustrade wires inside timber posts. Has a lag screw thread on the outside for anchoring into timber and an M6 female thread on the inside, for tensioning balustrade wires with swaged M6 male threaded terminals. Countersunk Head for flush fitting into timber posts. Can be easily installed using a hex driver in a battery drill (System H Driver, sold seperately).