Tie Rods (Double Ended)

Tie Rods (Double Ended) are threaded rods with threads at both ends for holding opposing form faces together. Specify thread form, diameter, length and rod profile for the formwork assembly.

At a glance

Tie Rods (Double Ended) at a glance.

What it is

A double-ended form rod

Threaded rod component with threaded ends at both sides.

Physical function

Connects opposing form faces

Mating nuts and plates engage both ends across the form faces.

Configuration

Thread, diameter and profile

1/2 to 2-1/2 inch diameter; 3 to 20 feet length; UNC, BSW or DIN thread; round, TMT or rebar profile; plain, zinc-plated or galvanized finish.

Also known as

Tie Rods (Double Ended) are known as coil rod in the US, form tie rod on UK sites, tige de coffrage in France, Schalungsanker in German-speaking markets, and tensor de encofrado in Spanish.

English: tie rodform tieformwork tie
United States: coil rodformwork tie rodconcrete tie rod
UK & Ireland: form tie rod
Français: tige de coffrage
Deutsch: SchalungsankerAnkerstabSpannstab
Español: tensor de encofrado

More names (3)

English: formwork tie barshuttering tie barthreadbar

Trade names for the whole range ↗

How it works

Double-ended through the form

Thread the rod through pre-drilled holes in the form faces. At each end, a Tie Rod Nut and Plate Washer seat against opposite sides, drawing the faces together.

Threaded Rods
Choose it for rod-and-plate foundation assemblies, suspensions and adjustable supports, where thread along the full length is useful.
Tie Rods (Double Ended) This page
Choose it when opposing form faces need to be drawn together and held by one rod through the wall.

Common applications

Where it is used.

Application

Two-sided formwork tie

Connects opposing form faces under horizontal load during concrete placement.

Application

Modular wall and column panels

Spans wall and column panels with threaded ends engaging the mating form faces.

Application

Form-face alignment and closure

Works with plates and hardware to keep the connected form faces aligned and properly spaced.

What are tie rods called in other countries?

Tie Rods (Double Ended) are called coil rods in the US, form tie rods in the UK, tige de coffrage in France, Schalungsanker in German, and tensor de encofrado in Spanish. They are threaded rods for formwork assemblies.

What sizes and thread options do tie rods have?

Tie Rods range from 1/2 to 2-1/2 inches in diameter (M12–M60 metric), 3 to 20 feet long (1–6 m), with UNC, BSW, or DIN threads in V or coil profiles. Finishes are plain, zinc plated, or hot dip galvanized.

Concrete systems

Double-ended form-tie rod

Double-ended Tie Rods connect opposing form faces with Tie Rod Nuts and Plate Washers. Threaded Rods provide a single-ended option for other assemblies.

Explore concrete systems ↗

Technical specifications