STAINLESS STEEL WIRE ROPE METAL CABLE BALUSTRADE FOR JAW/SWAGE FORK TURNBUCKLE

A 7×7 rope has 7 bundles of 7 individual wires (49 wires total). It is stiffer and holds its shape well, making it suited to structural tensioning, short straight runs, and applications where minimal flex is needed. A 7×19 rope has 7 bundles of 19 wires (133 wires total). The greater number of finer wires makes it significantly more flexible, which is why it is the preferred choice for cable balustrade infill, rigging, and any run where the cable must bend around a fitting or post before being terminated.

For residential cable balustrade infill panels, 3.2 mm (1/8 in) is the most common size in the US, but metric equivalents of 3.0 mm or 4.0 mm are widely used with metric jaw and swage fittings. For spans up to approximately 1.5 m between posts, 3.0 mm 7×19 is typically adequate. For longer spans or higher-load applications, 4.0 mm or 5.0 mm 7×19 provides additional tensile strength. Always verify local building code requirements for balustrade cable spacing and minimum breaking load before finalising your selection.

Yes. The rope is made from 316 stainless steel, which contains molybdenum for enhanced resistance to chloride-induced corrosion (salt spray and seawater). It is suitable for coastal balustrades, marine rigging on small craft, and outdoor tensioning applications. For submerged or continuously wet environments, periodic inspection is still recommended to check for any surface pitting or strand fatigue at termination points.

Yes. Stainless steel wire rope can be cut with a rotary cutting disc (angle grinder), aviation snips rated for wire rope, or a dedicated cable cutter. To prevent the cut end from fraying, apply a small amount of heat-shrink tubing, a swage end stop, or wrap the cut point with electrical tape before cutting and immediately apply a ferrule or end fitting. Avoid using standard bolt cutters on larger diameters as they can crush and distort the strand lay.

This rope is sized to metric standards and is compatible with jaw fittings, swage terminals, fork ends, eye bolts, crimp ferrules, and turnbuckles that have a bore matching the cable diameter. For example, a 4.0 mm cable requires fittings with a 4 mm bore. Always confirm the fitting manufacturer's specified cable diameter range before purchasing, as some fittings accommodate a small tolerance range (e.g., 3.5–4.0 mm) while others are exact-fit only.

After threading the cable through your posts and attaching end fittings, use a turnbuckle or tensioning jaw fitting to take up slack. Tighten gradually and evenly — over-tensioning in a single pass can cause the cable to kink or place uneven stress on the post anchors. A correctly tensioned balustrade cable should deflect no more than approximately 25–50 mm under a firm lateral push at mid-span. Re-check tension after 2–4 weeks as the cable may settle slightly under initial load.

For a single balustrade panel or a short run between two posts, a 1 M or 2 M length is usually sufficient. For a full deck perimeter or staircase with multiple panels, ordering a 10 M or 20 M length reduces the number of joins and is more economical per metre. Measure your total run, add 10–15% for termination tails and any waste at cut ends, then select the next available length above that figure.