Coupling Nuts

The Extension Nuts Coupling Nuts are manufactured by DGMF Mold Clamps Co., Ltd

Extension Nuts

DGMF Mold Clamps Co., Ltd is the Extension Nuts Coupling Nuts manufacturer, we also provide the mold clamps,  injection mold componentsdie press componentsfasteners for your choice.

Contact the DGMF sales team for more Coupling Nut Extension Nut details.

Ask For A Quote

SKU DGMF-MOLD-CLAMP-HEX-NUT-027 Categories , , ,


Coupling Nuts

The Extension Nuts Coupling Nuts are manufactured by DGMF Mold Clamps Co., Ltd. we provide the heavy hex nut and extension nut coupling nut for your equipment.

We provide heavy-duty bolts and nuts, mold clamps, mold components for injection molding, stamping-die, CNC milling industries.

A coupling nut, also known as an extension nut, is a threaded fastener for joining two male threads, most commonly a threaded rod, but also pipes.

The outside of the fastener is usually a hex so a wrench can hold it. Variations include reducing coupling nuts, for joining two different size threads; sight hole coupling nuts, which have a sight hole for observing the amount of engagement; and coupling nuts with left-handed threads.

These are used to make up long rod assemblies from shorter lengths of rods. The rods are threaded into the coupling nut for a certain distance.

Coupling nut dimensions are described by the Industrial Fasteners Institute in standard IFI-128. It is given a plain finish. It is either cold drawn or hot rolled depending on the bar stock used. Coupling nut threaded with two different thread sizes and profiles are called reducing coupling nuts.

Coupling nuts can be used to tighten a rod assembly inward or to press a rod assembly outward.

Coupling Nut Specifications

M10 Coupling Nut

M12 Coupling Nut

M14 Coupling Nut

M16 Coupling Nut

M18 Coupling Nut

M20 Coupling Nut

M24 Coupling Nut

M30 Coupling Nut

Coupling Nut in Inches

M1/2 Coupling Nut

M5/8 Coupling Nut

M3/4 Coupling Nut


What is a coupling bolt?

A coupling bolt is a mechanical means of holding two halves of a flanged shaft together to properly transfer the torque while maintaining shaft alignment.

What are the coupling nuts used for?

Usually constructed in a hex shape for wrench hold, the most common uses for coupling nuts include tightening rod assemblies or pushing a completed rod assembly outward.

What is a connector nut?

Connector Nuts and Bolts are used for joining any two parts or pieces together, with a finished appearance. Most commonly used to join panels together, such as cabinets, bookcases, and other furniture fixtures. The hex drive allows maximum leverage and force to be applied to the connection.


There are no reviews yet.

Be the first to review “Coupling Nuts”

Your email address will not be published. Required fields are marked *