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This premium Three Wing Nut (Formwork Anchor Nut) is specifically designed to prevent major structural problems such as thread stripping, cracking of the Formwork Anchor, and formwork blowout when using high-pressure concrete for heavy-duty applications. The three reinforced wings, together with the high precision thread of the Three Wing Nut, distribute the load of the structural components in the best possible way. Thus, brittle failure of the Formwork Anchor by heavy hammering as well as seizing up in corrosion-sensitive environments is eliminated completely. The outstanding features of the Three Wing Nut make it the safety optimized premium product for structural engineering applications such as shear walls, high-rise core columns, bridge piers, as well as tunnel lining formwork.
Technical Specifications
|
Technical Parameters |
Premium Specifications (Our Product) |
Standard Industry Grade |
|
Material Composition |
Premium Ductile Iron QT450-10 / Cast Steel |
Scrap Metal Cast Iron / Non-certified Iron |
|
Applicable Tie Rod Dia. |
15/17mm (Standard) | 20/22mm (Heavy Duty) |
15/17mm Only |
|
Base Plate Diameter |
100mm / 110mm / 130mm standard options |
90mm / 100mm standard |
|
Breaking Load Capacity |
Q ≥ 190 kN (High Tensile Safety Margin) |
90 kN – 145 kN (High risk of deformation) |
|
Surface Treatment |
Hot-Dip Galvanized / Electro-Zinc (≥12µm) |
Light Oil / Thin Cold Plating (<5µm) |
|
Weight Tolerance |
Strictly controlled within ±3% |
Fluctuates up to ±10% (Material shaving) |
Engineered for Demanding Formwork Scenarios
Our three-wing nut is not just a standard fastener; it is a critical safety component deployed across demanding global infrastructural projects:
- High-Rise Shear Wall Systems: Highest possible structural rigidity and resistance against “blowout” during high vertical concrete pours.
- Bridge & Marine Infrastructure: Our large diameter Anchor Nuts are engineered with a high Zinc coating thickness of 12µm + to withstand extreme hot, wet, and saline environments. Formwork rental depreciation is maximized by the Nuts remaining smooth and efficient for 50+ reuses.
- Subterranean Tunnels & Mining: The unique three-wing design of our large diameter Formwork Anchors provides for excellent ergonomics. Easy to release with tools or by hand in any location and in poor light.
Q&A
What is the certified load capacity of a 15/17mm formwork three-wing nut?
- Our premium three-wing load anchor nuts have a minimum certified breaking load of 190 kN. This exceeds the conventional industry load of 90-120 kN by a substantial margin and provides a safe 2:1 structural factor for heavy commercial wall and column forming applications.
How to prevent Wing Nut from rusting after construction cycles?
- Formwork three wing nuts are zinc coated either by an electro-galvanization process or by a Hot-Dip Galvanization (HDG) process to seal the ductile iron anchor from moisture and oxygen. The coating on the threads of the Formwork three-wing nut anchor nuts forms a protective layer to prevent corrosion and allows smooth rotation even after 50+ construction cycles. The zinc coating thickness is a minimum of 12µm.
Are the 3 wing nuts suitable for use with all of the international standard tie rods on the market?
- Our 15/17mm 3 wing load anchor nuts are compatible with all scaffolding tie rods, 15mm/17mm & 6.35mm / 10mm pitch. We at Formwork Solutions adhere to strict criteria when machining the anchor load-bearing threads. All load-bearing threads are tested 100% using Go/No-Go gauges to prevent site grinding.
Searching for a high-durability, safety-certified formwork solution to optimize your next project or inventory distribution?
Due to fluctuating steel raw material valuations and international freight availability, secure your project-specific quotation and request complimentary product samples today. Our technical consulting group will deliver complete structural load-matching metrics within 2 hours.
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