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Fully Threaded Steel Rod M6 M7 M8 - China Suppliers & Factory for Construction and Mechanical Applications

Introducing our high-quality threaded rod, also known as studding, all-thread rod, or fully threaded bar. Manufactured in China, our rods feature continuous threading along their entire length, making them an essential component for various applications. As a trusted supplier, we cater to the construction, electrical, plumbing, and mechanical industries, providing superior fastening and support solutions for suspension, bracing, anchoring, and connection needs. Choose our factory for reliable and durable threaded rods that meet the demands of your projects.

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

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 for adjustable vertical support of 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

1 What is a threaded rod and how does it differ from a standard bolt?

A threaded rod (also called an all-thread rod or stud) is a fastener with continuous threads along its entire length, unlike a standard bolt which has a head and partial threading. This full-length threading allows threaded rods to be cut to any required length and used with nuts and couplings at any position along the rod, making them far more versatile for construction and industrial applications.

2 What diameter and length options are available?

Threaded rods are available in metric sizes from M3 to M64 and inch series from 1/4" to 2-1/2". Standard lengths are 1 m to 6 m, with 3 m and 6 m being the most common stock lengths. Custom lengths can also be produced to meet specific project requirements.

3 Which material should I choose for outdoor or corrosive environments?

For outdoor general use, hot-dip galvanized (HDG) carbon steel offers excellent corrosion protection at a cost-effective price. For highly corrosive environments such as marine, chemical, or coastal applications, stainless steel grade A4 (316) or ASTM A193 B8M is recommended due to its superior resistance to chlorides and oxidation.

4 Can threaded rods be cut on-site, and will the threads be damaged?

Yes, threaded rods can be easily cut to the desired length using standard tools such as a hacksaw, angle grinder, or bolt cutter. After cutting, a thread file or die can be used to clean up the cut end. The continuous threading design ensures that the remaining rod retains full thread engagement capability without any loss of function.

5 What is the difference between coarse and fine thread pitch?

Coarse thread pitch is the standard option and is preferred for most general applications due to its faster assembly, greater resistance to cross-threading, and better performance in softer materials. Fine thread pitch offers higher tensile strength and better vibration resistance, making it suitable for precision applications or where space is limited and finer adjustment is needed.

6 What standards and grades are available for high-strength applications?

For high-strength structural and industrial applications, ASTM A193 Grade B7 (carbon steel) and ASTM A193 B8M (stainless steel) are widely specified. Under DIN and ISO standards, grades 8.8, 10.9, and 12.9 represent increasing tensile strength levels. The appropriate grade should be selected based on load requirements, safety factors, and the applicable engineering standards for your project.

Welded and Woven Wire Mesh for Fencing