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Fully Threaded Steel Rod M6 M7 M8 - High-Quality Fasteners from China Suppliers and Factory

Our threaded rod, also known as studding, all-thread rod, or fully threaded bar, is a versatile metal fastener manufactured in China. This long, straight bar features continuous threading along its entire length, making it an essential component in various industries including construction, electrical, plumbing, and mechanical applications. As a leading supplier, our factory ensures high-quality threaded rods that provide reliable support for suspension, bracing, anchoring, and connection projects. Trust our China-based suppliers for your threaded rod needs and experience excellence in industrial fastening solutions.

Product Details

Specifications

Parameter	Range / Options
Diameter	M3 – M64 (metric) 1/4″ – 2-1/2″ (inch series)
Length	1 m – 6 m (standard: 3m, 6m) Custom lengths available
Thread Pitch	Coarse (standard) or fine pitch per application requirements
Thread Direction	Right-hand (standard) Left-hand available for special applications

Material & Finish Options

Material Type	Standard	Common Grades	Finish Options
Carbon Steel	ASTM A307	Grade A (general purpose)	Plain, Oiled, Zinc Plated, HDG
	ASTM A193	Grade B7 (high strength)	Plain, Black Oxide
	DIN 975 / 976	4.8, 5.8, 8.8, 10.9, 12.9	Various
	ISO 898-1	Class 4.6, 4.8, 5.8, 8.8, 10.9
Stainless Steel	ASTM A193 / A320	B8 (304), B8M (316)	Plain, Passivated
Stainless Steel	DIN 975 / 976	A2 (304), A4 (316)	Plain
Galvanized	ASTM A153 / A123	Various base grades	Hot-Dip Galvanized (HDG)
Brass / Bronze	ASTM B16 / B124	C36000, C46400	Plain
Nylon / Plastic	Various	Nylon 6/6, PVC	Colored options

Features

Continuous Threading: Full-length threads allow cutting to any length and provide maximum engagement with nuts and couplings anywhere along the rod.
Versatile Connection: Can be used with hex nuts, coupling nuts, flange nuts, wing nuts, or directly threaded into tapped holes.
Cut-to-Length Flexibility: Easily cut to desired length using standard tools without thread damage.
High Tensile Strength: Available in multiple strength grades to match application requirements.
Corrosion Resistance: Various material and coating options suit indoor, outdoor, and harsh environments.

Applications

Overhead Suspension Systems

Threaded rods are extensively used to suspend HVAC equipment, ductwork, piping, electrical conduits, and cable trays from ceiling structures using beam clamps and hanger assemblies.

Pipe and Conduit Supports

Combined with pipe clamps, clevis hangers, and trapeze systems, threaded rods provide adjustable vertical support for plumbing, fire protection, and mechanical piping.

Anchoring and Fastening

Used with expansion anchors or chemical anchors to secure equipment, machinery, structural steel, and building components to concrete floors and walls.

Structural Bracing

Employed as diagonal tension rods for seismic bracing, wind bracing, and stabilization of structural frames and equipment racks.

Electrical & Mechanical Equipment Mounting

Support motors, pumps, fans, transformers, switchgear, and control panels with adjustable-height mounting solutions.

Formwork and Concrete Construction

Used as tie rods for concrete formwork systems, providing tension resistance between opposing form faces during concrete placement.

Furniture and Fixture Manufacturing

Serve as adjustable legs, connectors, and structural elements in industrial shelving, workbenches, display fixtures, and custom fabrications.

Automotive and Transportation

Applied in engine mounts, exhaust system hangers, and chassis component connections where vibration resistance is required.

Marine and Offshore

Stainless steel grades (316) provide corrosion resistance for saltwater environments in shipbuilding, docks, and offshore platforms.

Renewable Energy

Used in solar panel mounting structures, wind turbine tower connections, and hydroelectric equipment supports.

Frequently Asked Questions

What is the difference between a threaded rod and a stud bolt?

A threaded rod (also called all-thread rod) is fully threaded along its entire length, making it cuttable to any size and usable anywhere along its shaft. A stud bolt, by contrast, typically has threads only at both ends with an unthreaded shank in the middle, and is designed for specific fixed-length flange or structural connections.

Which material grade is best for outdoor or corrosive environments?

For outdoor environments, hot-dip galvanized (HDG) carbon steel or stainless steel A4/316 grades are recommended. For highly corrosive or saltwater environments — such as marine and offshore applications — Grade 316 stainless steel offers superior resistance to chloride-induced corrosion.

Can threaded rods be cut to a custom length on-site?

Yes. One of the key advantages of fully threaded rods is their cut-to-length flexibility. They can be cut using a hacksaw, angle grinder, or bolt cutter without damaging the remaining threads. After cutting, a thread-cleaning die can be used to restore the end threads if needed.

What is the difference between coarse and fine thread pitch?

Coarse thread pitch is the standard option, offering faster assembly, better resistance to cross-threading, and greater strength in most general applications. Fine thread pitch provides higher tensile strength and better adjustment precision, making it suitable for applications requiring fine adjustments or higher load-bearing capacity in limited space.

What nuts and hardware are compatible with threaded rods?

Threaded rods are compatible with a wide range of hardware including hex nuts, heavy hex nuts, coupling nuts (for rod-to-rod extension), flange nuts, wing nuts, and weld nuts. They can also be threaded directly into tapped holes in structural steel or cast components.

Are custom lengths and special thread directions available?

Yes. In addition to standard lengths of 1 m to 6 m, custom lengths can be manufactured to order. Left-hand thread direction is also available for special applications where reverse-thread configurations are required, such as in turnbuckles or anti-loosening mechanisms.

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