spanner toggle type 1. draad diam: 4 mm. 5/16"UNF

Dissimilar metals Fine, rolled threads Tapered lock nut Sight holes Multi axial togglesPatented coupling nut design allows coupling to swivel freely on barrel. Eliminates twisting forces and stress build up on wire and turnbuckle. Cone lock nut positively locks the adjustment. Sleek aesthetic appeal. Supplied with full load ratings. Type 1 turnbuckles have a sleek, modern profile with no sharp edges. They are easily adjusted by turning the unique coupling nut, which is free to rotate on the turnbuckle barrel, and are secured with a quick turn on the cone shaped locking nut. A sight hole is provided in the coupling nut to verify adequate thread engagement. With single end adjustment and a fine thread, Type 1 turnbuckles are much easier to adjust than conventional turnbuckles, and the use of dissimilar but compatible metals for the threaded components avoids the risk of thread seizure. Toggles are designed with full universal movement for easy installation and connection and allow the assembled cable to move where the structure is subject to wind loads or vibration.Suits 4mm wire. Suits applications such as: Balustrading Braces and Trusses Membrane & Lightweight Roofing Tensioning Systems