Hangs services from the structure
The rod drops from an anchor, beam clamp or insert to the clamp or trapeze below, and nuts on the rod set the height.
Pipe Support Components
Threaded Rods / Bars
Threaded Rods / Bars are steel rods threaded along their full length, used to hang pipe clamps, trapezes and ceiling services from the structure above, and in anchors and fixings. Corona makes them in inch and metric sizes, carbon steel, B7 alloy and stainless. Specify diameter, length, thread, grade, finish and the quantity you need.
At a glance
Threaded Rods / Bars at a glance.
UNC, BSW or DIN 975 / 976
Buyers specify the thread and grade: ASTM A307 or class 4.8 and 8.8 carbon steel, ASTM A193 B7, or stainless steel.
1/4 to 2-1/2 in, M6 to M60
1/4–2-1/2 in (M6–M60), 2–19 ft (1–5.8 m) long, UNC, BSW or DIN 975 / DIN 976 metric thread in V, coil, square or Acme form, plain, zinc plated or hot dip galvanised.
Also known as
Threaded Rods / Bars are threaded rod or all thread in the US and studding in the UK; in other languages they are tige filetée (French), Gewindestange (German), barra filettata (Italian) and varilla roscada (Spanish).
- English
- UK & Ireland
- Français
- Deutsch
- Italiano
- Español
Cut to the drop, nut to the level
The rod is cut to the drop and screwed into an anchor or beam clamp above. The pipe clamp or trapeze channel is fixed on the lower end, and nuts and washers either side set it to height. Turning the nuts later raises or lowers the pipe without taking it down.
Common applications
Where it is used.
Pipe hangers
Single clamps hang on one rod each at the spacing the pipe needs. The rod size follows the pipe and clamp.
Trapezes and ceiling services
Strut trapezes, duct hangers and cable tray hang on pairs of rods. The same rod supports suspended ceilings and lighting.
Anchors and fixings
Cut lengths of rod are set in resin and cast-in anchors or used as studs. Stainless rod suits wet and corrosive areas.
Questions answered
Common questions.
What is threaded rod called in other markets?
In the US it is threaded rod or all thread, and in the UK studding. In other languages it is a tige filetée in French, a Gewindestange in German, a barra filettata in Italian and a varilla roscada or barra roscada in Spanish.
Which threaded rod grades does Corona make?
Carbon steel to ASTM A307 or property class 4.8 and 8.8, ASTM A193 B7 alloy rod, and stainless steel, in UNC, BSW or DIN 975 / DIN 976 metric thread. Sizes run from 1/4 to 2-1/2 in and M6 to M60, 2 to 19 ft (1 to 5.8 m) long.
The rod in a rod-hung support
Threaded Rods / Bars hang Pipe Clamps from the structure; the anchors and beam clamps at the top come from other suppliers.
See the pipe support rangeThreaded Rods / Bars specifications
Threaded Rods / Bars configuration
ParameterUS / PrimaryMetric / Additional
Diameter1/4" - 2-1/2"M6 - M60
Length2 ft - 19 ft (3, 6, 10, 12 ft common)1 m - 5.8 m (1, 2, 3 m common)
ThreadUNC, BSW, DIN 975 / DIN 976 metricUNC, BSW, DIN 975 / DIN 976 metric
Thread Type‘V’, Coil, Square, Acme‘V’, Coil, Square, Acme
Material / GradeCarbon Steel (ASTM A307, class 4.8, 8.8), ASTM A193 B7, Stainless SteelCarbon Steel (ASTM A307, class 4.8, 8.8), ASTM A193 B7, Stainless Steel
FinishPlain, Zinc Plated, Hot Dip GalvanisedPlain, Zinc Plated, Hot Dip Galvanised
PackingEconomy: Plastic Tubes Heavy: Paper Tubes / ConesEconomy: Plastic Tubes Heavy: Paper Tubes / Cones
Pipe Support Systems
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