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Anchor Rope
Twisted 3-strand white Nylon anchor rope and line. Sold by the metre with option to add hard eye splice at one end, and soft eye splice at the other end. Available from 10mm – 36mm diameters.
Nylon anchor rope is one of the most popular solutions for marine anchor lines thanks to its superior strength, stretch and shock absorbency. When in water, Nylon rope sinks, thereby avoiding other craft in crowded anchorages.
Suitable for boats, yachts, kayaks and jet-skis.
Key properties at a glance:
- Superior tensile strength
- High shock absorption and elasticity
- Excellent abrasion resistance
- Sinks
- Good UV stability
- Easy to splice
- Made in Europe
Related: Nylon, Splicing, Thimbles, Polyester, Leaded Polysteel
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£50.99 inc. VATRope Material : NylonRope Diameter : 12mmLength : 30m coilWeight : 2.5kgBreak Load : 3000kgBreak Load Certified? : YesSafe Working Load : 429kgConstruction : Twisted 3 strandColour : WhiteStretch : High elasticityAbrasion Resistance : GoodElongation at Breakpoint : HighUV Resistance : GoodBiodegradable : NoMelt / Char Point : 177CRot Resistant : YesSwells When Wet : NoStrength: Wet vs Dry : Decrease 15%Acid Resistance : PoorAlkali Resistance : GoodFloats? : NoHandling : Soft & smoothOdour : NoneTreated With : No treatmentSafe for Animals : NoKnot Retention : ModerateEase of Splicing : EasyDensity : 1.14Manufactured In : IndiaISO Certified? : YesISO Manufacturing Standard : EN ISO 1140 - 2004Rope End 1 : Hard eyeRope End 2 : Soft eye
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£68.99 inc. VATRope Material : NylonRope Diameter : 12mmLength : 50mWeight : 4.1kgBreak Load : 3000kgBreak Load Certified? : YesSafe Working Load : 429kgConstruction : Twisted 3 strandColour : WhiteStretch : High elasticityAbrasion Resistance : GoodElongation at Breakpoint : HighUV Resistance : GoodBiodegradable : NoMelt / Char Point : 177CRot Resistant : YesSwells When Wet : NoStrength: Wet vs Dry : Decrease 15%Acid Resistance : PoorAlkali Resistance : GoodFloats? : NoHandling : Soft & smoothOdour : NoneTreated With : No treatmentSafe for Animals : NoKnot Retention : ModerateEase of Splicing : EasyDensity : 1.14Manufactured In : IndiaISO Certified? : YesISO Manufacturing Standard : EN ISO 1140 - 2004Rope End 1 : Hard eyeRope End 2 : Soft eye
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£97.99 inc. VATRope Material : NylonRope Diameter : 12mmLength : 75mWeight : 6.1kgBreak Load : 3000kgBreak Load Certified? : YesSafe Working Load : 429kgConstruction : Twisted 3 strandColour : WhiteStretch : High elasticityAbrasion Resistance : GoodElongation at Breakpoint : HighUV Resistance : GoodBiodegradable : NoMelt / Char Point : 177CRot Resistant : YesSwells When Wet : NoStrength: Wet vs Dry : Decrease 15%Acid Resistance : PoorAlkali Resistance : GoodFloats? : NoHandling : Soft & smoothOdour : NoneTreated With : No treatmentSafe for Animals : NoKnot Retention : ModerateEase of Splicing : EasyDensity : 1.14Manufactured In : IndiaISO Certified? : YesISO Manufacturing Standard : EN ISO 1140 - 2004Rope End 1 : Hard eyeRope End 2 : Soft eye
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£117.99 inc. VATRope Material : NylonRope Diameter : 12mmLength : 100mWeight : 8.1kgBreak Load : 3000kgBreak Load Certified? : YesSafe Working Load : 429kgConstruction : Twisted 3 strandColour : WhiteStretch : High elasticityAbrasion Resistance : GoodElongation at Breakpoint : HighUV Resistance : GoodBiodegradable : NoMelt / Char Point : 150CRot Resistant : YesSwells When Wet : NoStrength: Wet vs Dry : Decrease 15%Acid Resistance : PoorAlkali Resistance : GoodFloats? : NoHandling : Soft & smoothOdour : NoneTreated With : No treatmentSafe for Animals : NoKnot Retention : ModerateEase of Splicing : EasyDensity : 1.14Manufactured In : EuropeISO Certified? : YesISO Manufacturing Standard : EN ISO 1140 - 2004Rope End 1 : Hard eyeRope End 2 : Soft eye
Anchor Rope Technical Details
Diameter / Weight / Break load
| Diameter | Weight per 220m (kg) | Break load (kg)* |
| 6mm | 4.5 | 809 |
| 8mm | 8.2 | 1,408 |
| 10mm | 12.5 | 2,162 |
| 12mm | 18 | 3,070 |
| 14mm | 25 | 4,080 |
| 16mm | 32 | 5,294 |
| 18mm | 40 | 6,559 |
| 20mm | 50 | 8,078 |
| 22mm | 61 | 9,588 |
| 24mm | 73 | 11,424 |
| 28mm | 99 | 15,198 |
| 32mm | 129 | 19,584 |
| 36mm | 163 | 24,480 |
*Break load for indication purposes only. Not test certified. Break loads will also lower as a result of splicing and knotting.
Which diameter should you choose?
As a general guide, you need approx 0.125″ (or 1/8″) of rope diameter for every 9 feet of boat. That’s 3.175mm for every 2.74m of boat.
(Note: when ordering anchor rope, bigger is normally better.)
To calculate the diameter: Boat Length (ft) ÷ 9 (ft) x 0.125 (inch) = Dia. (inch)
E.g.: for a 30ft boat: 30 ÷ 9 x 0.125 = 0.4″ (or 3/8″ )
The following table converts and then rounds up to the nearest diameters in mm.
| Boat Length (ft) | Diameter (inches) | Diameter (mm) |
| 9 | 0.125 (1/8″) | 4mm |
| 10 | 0.14 (1/8″) | 4mm |
| 15 | 0.21 (2/8″) | 6mm |
| 20 | 0.28 (2/8″) | 8mm |
| 30 | 0.42 (3/8″) | 12mm |
| 40 | 0.56 (4/8″) | 14mm |
| 50 | 0.69 (6/8″) | 18mm |
| 60 | 0.83 (7/8″) | 22mm |
| 70 | 0.97 (8/8″) | 26mm |
| 90 | 1.25 (1 & 2/8″) | 32mm |
| 100 | 1.39 (1 & 3/8) | 36mm |
How much rope do you need?
As a guide you should allow 8ft of line for every 1ft of water that you will be anchoring in as follows:
| Anchorage Depth (ft) | Length (ft) | Length (m) |
| 5 | 40 | 12 |
| 15 | 120 | 37 |
| 20 | 160 | 49 |
| 25 | 200 | 61 |
| 30 | 240 | 73 |
| 35 | 280 | 85 |
| 40 | 320 | 98 |