Connecting Nut
Long coupling nut to join two tie rod sections.
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Connecting Nut
A long coupling nut that joins two tie rod sections end to end, extending the rod or connecting the embedded bolt to the outer tie rod in single-sided formwork.
Specifications
- Joins two tie rod sections
- Fits D15 / D20 threads
- Extended thread engagement
- Supplied with tie rod sets
Prices are quoted based on product specifications, material/grade, quantity, destination and current market conditions. Contact us for the latest quotation.
Engineering-reviewed quote within 24 hours.
Technical Specifications
| Thread | D15 / D20 |
| Material | 45# steel |
| Surface | Zinc plated / black |
Material45# steel
Surface FinishZinc plated · Black
Rated LoadInquire
Unit WeightInquire
PackagingCartons on pallet
Production Process
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06Material Grades Explained
| Grade | Notes |
|---|---|
| Q235 | Plain carbon steel. Economic option for light and medium formwork loads. Not heat treated. |
| 45# | Medium carbon steel. The standard formwork tie rod grade in China; quenchable to class 8.8. |
| 40Cr | Alloy steel. Higher hardenability and better fatigue performance than 45#; used where repeated reuse matters. |
| Class 10.9 bolt | Quenched and tempered alloy steel bolt used in the climbing cone set. Not electroplated without a documented baking cycle. |
| QT450-10 | Ductile (nodular) iron with 450 MPa tensile and 10% elongation. Used for sleeves and embedded plates where toughness and castability matter. |
| HRB400 | Hot-rolled ribbed bar (threaded steel) to Chinese standard. Used for embedded foot bolts; good bond with concrete. |
Applications
Procurement Guide
- Confirm rod diameter
- Order with tie rod sections
Procurement Information
- OEM / Custom
- Own drawing or label welcome
- MOQ
- Trial orders OK · mixed SKU welcome
- Lead time
- Stock 3d · Custom 7-15d
- Packaging
- Seaworthy: pallet + strapping + waterproof
- Payment
- T/T · L/C at sight
- Incoterms
- FOB Tianjin · CIF · CFR · EXW
Related Products
Technical FAQ
Connecting Nut — Answers for Engineers and Buyers
A standard through-tie is withdrawn and reused after the concrete cures, leaving a hole through the wall that must be plugged. A water-stop tie rod keeps a middle section permanently embedded, fitted with a welded water-stop plate that breaks the capillary water path along the bar. It is required for basements, water tanks, tunnels, reservoirs and any water-retaining structure.