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Mountain Disc (Mountain Plate)

Pressed mountain-type disc for spreading tie rod load on walers and panels.

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Tie Rod Matching Nuts

Mountain Disc (Mountain Plate)

A pressed steel plate with a mountain (wedge) profile that spreads the tie rod load across the waler and locks the assembly when tightened with a mountain nut. Common in wall and slab formwork.

Specifications

  • Mountain (wedge) profile for clamping
  • Spreads load on waler face
  • Fits D15 / D20 tie rods
  • Used with mountain nut
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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

ThreadD15 / D20
MaterialQ235 steel
SurfaceGalvanized / black
MaterialQ235 steel
Surface FinishGalvanized · Black
Rated LoadInquire
Unit WeightInquire
PackagingCartons on pallet · marked

Production Process

Cutting & forming01
Cutting & formingBar cutting, cold heading and plate forming to drawing dimensions.
CNC thread rolling02
CNC thread rollingRolled threads for fatigue strength and consistent pitch diameter.
Heat treatment03
Heat treatmentQuenching and tempering for class 8.8 and above, with process records.
Surface treatment04
Surface treatmentBlack oxide, zinc plating or hot-dip galvanizing to the specified thickness.
Gauge & batch test05
Gauge & batch testThread gauging, hardness and tensile checks with batch test reports.
Packing & marking06
Packing & markingSet or BOM packing, VCI protection and seaworthy crates.

Material Grades Explained

GradeNotes
Q235Plain 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.
40CrAlloy steel. Higher hardenability and better fatigue performance than 45#; used where repeated reuse matters.
Class 10.9 boltQuenched and tempered alloy steel bolt used in the climbing cone set. Not electroplated without a documented baking cycle.
QT450-10Ductile (nodular) iron with 450 MPa tensile and 10% elongation. Used for sleeves and embedded plates where toughness and castability matter.
HRB400Hot-rolled ribbed bar (threaded steel) to Chinese standard. Used for embedded foot bolts; good bond with concrete.

Applications

Wall formworkSlab formworkWaler clamping

Procurement Guide

  • Confirm tie rod diameter
  • Order with mountain nuts as a matched set

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
Real Application
Real Application

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ISO 9001/14001/45001 · In-house CNC · 18+ years in formwork fasteners · 48+ export countries

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Technical FAQ

Mountain Disc (Mountain Plate) — Answers for Engineers and Buyers

Formwork tie rods are commonly produced from medium and high carbon steel in 8.8 and 10.9 property classes. For corrosion protection: hot-dip galvanizing gives the thickest coating and suits outdoor and marine exposure; Dacromet (zinc-flake) coating avoids hydrogen embrittlement and is preferred for high-strength grades; electro-galvanized is an economical option for general use; black oiled bar is used indoors or where the rod is recovered and reused quickly.