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QIANHENGFORMWORK FASTENER FACTORY
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Formwork Fastener Products

DIN & ISO compliant tie rods, water stop systems, climbing cones, anchors and accessories. Non-standard sizes are made to your drawing.

All ProductsForm Tie Rod SeriesTie Rod Matching NutsSteel Frame Formwork AccessoriesOne-Side Formwork AccessoriesTie Cone Assembly SeriesH20 Timber Beam AccessoriesOther Accessories
D12 Form Tie Rod
Form Tie Rod Series

D12 Form Tie Rod

D12 all-thread form tie rod at 0.74 kg/m, produced on CNC thread-rolling lines for burr-free threads and consistent geometry. Tested tensile capacity by material: A195 35 kN and 35K 42 kN (2026 catalogue data). Cut to length from 200mm to 8000mm, supplied plain, electro-galvanized, hot-dip galvanized or Dacromet.

  • D12 all-thread rod, 0.74 kg/m
  • Tested tensile: A195 35 kN · 35K 42 kN (2026 catalogue)
  • Length 200–8000mm, cut to length
  • A195 / 35K alloy steel
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D15/17 Form Tie Rod
Form Tie Rod Series

D15/17 Form Tie Rod

Produced on CNC thread-rolling lines for burr-free threads and consistent geometry. DW15 (15mm root / 17mm outer thread, 7.5mm pitch) third-party tested tensile capacity by material: Q235 100-110 kN, 45# 120-140 kN, 40Cr 140-160 kN, precision-rolled 180 kN (values are tested tensile, not allowable working load — divide by the applicable safety factor for design); Rd20 reaches approximately 230 kN rated per factory data. Threads follow DIN 976, A193 B7 or GB/T 15389; materials range from Q235 to 45#, 40Cr and 20MnTiB with plain, electro-galvanized, hot-dip galvanized or Dacromet finishes.

  • D15/17 all-thread rod (DW15, 17/10 thread), 1.47–1.50 kg/m
  • Third-party tested tensile: Q235 100-110 kN · 45# 120-140 kN · 40Cr 140-160 kN · precision-rolled 180 kN (tested tensile, not allowable working load)
  • Also available: D20/22 (2.60 kg/m, tested tensile 210-240 kN by material) — see D20/22 Form Tie Rod
  • Length 200–8000mm, cut to length
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D20/22 Form Tie Rod
Form Tie Rod Series

D20/22 Form Tie Rod

D20/22 all-thread form tie rod at 2.60 kg/m for heavy wall formwork and high pour rates. Tested tensile capacity by material: Q235 210 kN and 45# 240 kN (2026 catalogue data). Threads produced by CNC thread rolling; cut to length from 200mm to 8000mm with plain, electro-galvanized, hot-dip galvanized or Dacromet finishes.

  • D20/22 all-thread rod, 2.60 kg/m
  • Tested tensile: Q235 210 kN · 45# 240 kN (2026 catalogue)
  • Length 200–8000mm, cut to length
  • Q235 / 45# carbon steel
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Form Tie Rod Series

The tie rod is the part that actually holds the formwork. This series covers the D12, D15/17 and D20/22 all-thread rods and the precision rolled tie rod, with tested tensile capacity by material, coating options and cut-to-length service. In D15/17, D15 is the rod size and 17 is the width across flats of the matching nut; the same rod is ordered in some markets as the 17/10 profile (17 mm outer thread × 10 mm pitch). D20/22 follows the same rule with a 22 mm nut.

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Tie Rod Matching Nuts

The nut is where the tie load is actually held. This series covers the disc nuts that spread concrete pressure, the wing nuts that tighten by hand, the water stop nut for watertight walls, and the combination and connecting nuts used to build or couple a tie. Match thread and pitch to the rod before ordering.

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Steel Frame Formwork Accessories

Steel frame systems are held together by small locking parts. This series covers the wedge clamps that lock panels to walers, the column and heavy duty clamps, quick-release clamps, brace return hooks, TP square washers, frame connectors, pin-and-wedge sets, plus the 3-part tie rod assembly and the waling lock assembly. Custom shapes and sizes are made to your drawing.

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One-Side Formwork Accessories

When a wall has no accessible far face, the tie load has to go back into the structure already poured. This series covers the embedded tie rod assembly and the adjustable prop that braces and plumbs a one-side form.

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Tie Cone Assembly Series

Climbing and cantilever formwork moves up the wall, so the cone has to take the same load repeatedly and release cleanly every time. This series covers the four-piece tie cone assembly — cone nut, load bolt, screw rod and base plate — in eight sizes, plus the sleeves that keep the tie hole clear.

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H20 Timber Beam Accessories

H20 timber beams carry the panel load back to the walers, and the joints decide whether the system stays stiff. This series covers the H20 beam connector that joins beam ends and the H20 timber beam clamp whose cast-steel claw grips the beam flange.

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Other Accessories

Not every part on site belongs to a system. This series collects the washers, plates, couplers and fittings that hold a formwork set together in practice: square base plates and plum washers spreading load under nuts, formwork couplers joining bars, mountain disc nuts and combination nuts for tie rod ends, connecting nuts for extending rods, waling profiles, pin and wedge sets, brace return hooks, and the 3-part tie rod assembly. Mixed containers and custom sizes are quoted on request.

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FAQ

Formwork Fastener Products

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).