How soon can I demould after concrete pouring?

Can be demoulded as soon as concrete reaches initial set strength.

Do these nuts fit all standard tie rod systems?

Yes, compatible with all major brand tie rods and formwork systems worldwide.

Are these nuts easy to handle for residential contractors?

Yes, lightweight design and easy installation make them ideal for small construction teams.

What is the delivery time for residential project orders?

7-10 days for standard sizes, perfect for tight residential project schedules.

Why use four claw design?

Four claws provide better grip on steel pipes, prevent slipping and increase overall stability.

Tunnel Formwork Wing Nut Cast Iron Galvanized for Underground Construction

Name: Tunnel Formwork Wing Nut Cast Iron Galvanized for Underground Construction
Brand: MTM BUILDING MATERIALS CO., LTD.
SKU: 2169254092

Hebei, ChinaMTM BUILDING MATERIALS CO., LTD.

US$0.80

50-99 Pieces

US$0.70

100-999 Pieces

US$0.50

1,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online-Service

Warranty

5 Year

Model NO.

MTM formwork tie rod

Certification

ISO, ROHS, CE

Material

Steel

Type

Formwork Tie Rod

Surface Treatment

Hot-DIP Galvanized

Thread Standard

Metric Thread

Applicatio

Concrete Formwork Construction

Tensile Strength

High Load Bearing

Feature

Hand Tighten Double Wing Design

Processing Craft

Casting & Precision Thread Rolling

Matching Rod Diameter

12mm/15mm/17mm/20mm

Reusable Times

Over 100 Times

Anti-Corrosion Grade

High Rust Resistance

Usage Scene

Curb Wall Bridge Formwork

Product Weigh

Customized Weight

Shape

Butterfly Wing Nut

Transport Package

Ton Bag

Specification

D12/D15

Trademark

MTM

Origin

China

HS Code

730840000

Production Capacity

500000/ Day

Key features

Made of high-strength integrated cast iron, great tensile resistance, no thread slipping or fracture under concrete lateral pressure.

Compatible with D12, D15, D17, D20 standard formwork tie rods, widely fit steel curb formwork and wall formwork.

Ergonomic double-wing design, easy hand tightening & removal without spanner, greatly save construction labor time.

Hot-dip galvanized surface, excellent anti-rust & anti-corrosion performance for wet outdoor construction sites.

Precisely rolled internal threads, tight meshing with tie rods to effectively avoid form bulging and displacement.

Thickened base increases stress area, will not deform steel form panels or PVC waler beams.

Mass-produced with strict dimensional tolerance, high interchangeability for easy stock management and site replacement.

Multi-scene application: municipal curb, building wall, bridge and all kinds of concrete formwork projects.

Wear-resistant and impact-resistant, not easy to crack during vibration and repeated disassembly, long reusable service life.

Perfectly matched with our full set formwork system including PVC beams, steel props and steel formwork for one-stop procurement.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExhibition ExperiencePrivate Mold

MTM BUILDING MATERIALS CO., LTD.

Hebei, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 7 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.39h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical supplier offering 3D software design, product development, ODM, OEM, and multiple customization options. It reports CE, ISO9001, Turkey international testing certification, and green-building product recognition, along with 15 years of export experience to more than 80 countries and participation in a Saudi trade show. Service offerings include installation, training, repair, maintenance, and debugging, but no overseas service locations, agents, or branches are reported. The supplier has no available SDK, and service-capability assessment and corrective-action procedures lack written records. Its product range covers formwork and scaffolding-related products. The stated workforce is five employees, while production capacity, financial strength, and specific customer cases are not sufficiently evidenced.

Supplier typeThe supplier is identified as a professional technical supplier and a limited company without a larger-company affiliation. Its stated business covers PP formwork, scaffolding, steel props, couplers, and related products, with registered and physical addresses in Shanxi Province, China.

CertificationsThe company description states that its hollow plastic construction formwork products were selected for the CTC Green Building selection Product Guide and that the company has CE, ISO9001, and Turkey international testing certification. These are explicit certification or recognition claims, although no certificate details or validity periods are provided.

After-Sales capabilityThe supplier lists installation, training, repair, maintenance, and debugging services and reports participation in an offline Saudi Water and Building Materials Exhibition. However, it reports no overseas showroom, agent, or branch, and lists zero countries where overseas services are offered, limiting evidence of established international after-sales coverage.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, a new product within the past year, ODM services, and OEM service for known brands. However, it explicitly reports no available SDK, so its innovation capability is positive in product and design development but not comprehensive across all stated dimensions.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its reported ODM and OEM services further support an ability to adapt or develop products for customers.