Metolius Ultralight Curve Nuts-10

Size Guide
Metolius Nuts Size Chart

Metolius Utralight Curve Nuts

Number Colour Size - Depth x Long Edge (mm) Strength (kN) Weight (g)
1 Blue 9.1x13.2 7
2 Yellow 10.2x13.7 7 19
3 Orange 11.4x14.2 7 19
4 Red 12.7x16.0 7 22
5 Black 14.2x17.8 7 22
6 Green 16.0x19.8 10 34
7 Light Blue 17.8x22.4 10 36
8 Light Purple 20.1x24.9 10 42
9 Maroon 22.4x27.9 10 45
10 Dark Blue 24.9x30.5 10 53


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Nuts with curved faces have long been the standard in passive protection. The curved faces provide 3 points of contact with the rock which make the nuts more stable as well as more versatile than older straight-sided climbing nut designs. However existing curved nut designs have been limited by the available technology. Metolius have been working to perfect CNC machining to the point where almost any shape can be sculpted from metal. This has optimised the shape of the nut and orient the curve from side to side rather than top to bottom.

The Metolius Curve Nut shape offers all the advantages of existing curved nut designs (3 points of contact) but it is naturally more stable in flares and because they have a straight taper from top to bottom it is much easier to judge placement quality.

By attaching the cable directly to the nut and eliminating the swage weight has been reduced.
Anodised heads are colour coded to match Metolius cam colours.
Combines the stability of 3-point contact with the ease of a straight-sided taper.
CNC technology for optimised shape.
Side-to-side curve for greater stability in flaring placements.
Straight-sided taper makes it easy to judge placement quality.
NC machined from 6061-T6 billet aluminium.
CE certified.

  • Manufacturer: Metolius
  • Mpn: UNUT010
  • Weight: 19g to 53g

Type: Nut