H20 Wooden Beam Clamp
Clamp fixing H20 beams to walers, quick release, high holding force.
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1 / 3Climbing Cones & Sleeves
H20 Wooden Beam Clamp
Hünnebeck-style H20 timber beam clamp: a Q235 U-clamp with ductile iron (QT450-10) left/right hooks tightened by wing nut. It locks the H20 beam to the steel waling at any position, with adjustable grip range and a working load up to ~1,000 kg in heavy-duty configurations. Speeds up large-area wall formwork assembly.
Specifications
- Fits H20 beam flange
- Q235 U-body + QT450-10 hooks
- Wing-nut quick lock
- Adjustable grip range
- Up to ~1,000 kg heavy-duty load
Engineering-reviewed quote within 24 hours.
Technical Specifications
| Beam | H20 timber beam (80mm flange) |
| Material | Q235 U-clamp, QT450-10 hooks |
| Adjust | Adjustable grip for various beam sizes |
| Load | Up to ~1,000 kg (heavy-duty config) |
| Finish | Zinc plated / painted |
| Packaging | Bulk in cartons |
Material45# steel
Surface FinishPlain (black) · Zinc plated
Rated LoadClamping force per H20 beam type — verify with system supplier
Unit WeightD15/10# clamp: 0.55 kg per piece
PackagingCartons on pallet · marked per BOM
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 beam flange size and waling spacing
- Check clamp count per panel with your formwork layout
- For heavy loads, use two clamps per connection point
- Order spare hooks — they wear with repeated use
Procurement Information
- OEM / Custom
- Own drawing or label welcome
- MOQ
- Trial orders OK · mixed SKU welcome
- Lead time
- Stock 7-30d · Custom 20-35d
- Packaging
- Seaworthy: pallet + strapping + waterproof
- Payment
- T/T · L/C at sight
- Incoterms
- FOB Tianjin · CIF · CFR · EXW
Related Technical Reading
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Technical FAQ
H20 Wooden Beam Clamp — Answers for Engineers and Buyers
A formwork tie rod is a high-strength threaded bar that, together with nuts, anchor plates and walers, holds formwork panels against the lateral pressure of fresh concrete. It passes through the wall section and is either fully recovered after stripping (through-tie used with a sleeve) or permanently embedded (lost-end / water-stop type).