Helical Drive Ties 8mm x 170mm (Box of 100)

Helical Drive Ties and masonry crack repair system with a stress free helical pinned fixings. Benefits : Quick Installation - just drill and drive Helical Low labour costs High tensile strength Allows for thermal movement Multi water drips Easily installed through cavity insulation Designed and tested to DD140 Insurance backed guarantees Features : Easy and problem free installation Authentic 304 or 316 Stainless Steel Effective in tying cavity and solid walls No mechanical expansion problems No resin, no rubber, high fire rating