Description
High-Capacity Fixings for Heavy-Duty Wiring
The Unicrimp QFC6 6mm Cable Clips are a premium, large-format cable clip designed to handle the weight and profile of 4.0mm² and 6.0mm² Twin and Earth (T&E) flat cables. Engineered for high-load domestic and commercial circuits—such as 32A cooker feeds and 40A+ shower runs—these grey clips provide the structural integrity required for heavier gauge wiring.
Industrial Grade Performance
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Optimized for 4mm & 6mm T&E: Specifically shaped to accommodate the wider profile of high-current flat cables ($7 \times 13 \text{mm}$ to $8 \times 15 \text{mm}$ approx). The internal geometry prevents the cable from twisting or slipping once installed.
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Reinforced 30mm Hardened Nails: To support the increased weight of 6mm² copper, these clips are fitted with extra-long 30mm zinc-plated hardened steel nails. These provide deeper penetration and superior “pull-out” resistance in masonry and structural timber.
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Tough Polyethylene Construction: Molded from high-density, UV-stabilized PE.
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Professional Self-Grip Profile: Despite the Unicrimp QFC6 6mm Cable Clips thickness, the clip features a “snap-fit” design that grips the sheath tightly, allowing you to dress the cable along a run before securing the nails.
Technical Specifications
| Specification | Technical Detail |
| Manufacturer | Unicrimp (Scolmore Group) |
| Part Code | QFC6 |
| Cable Compatibility | 4.0mm² & 6.0mm² Twin & Earth (Flat) |
| Body Material | High-Impact UV-Stable Polyethylene |
| Nail Specification | 2.5mm (D) x 30mm (L) Hardened Steel |
| Finish | Grey (matches 6242Y cable) |
| Temperature Range | -20°C to +70°C |
| Quantity | Box of 100 |
| Standard | BS EN 61914 |


