Description
What are Hex coupling nuts?
Coupling nuts are used to form long tie rod coupling nut assemblies from shorter tie rods and to facilitate the assembly of two fasteners or fittings that both have external threads. Coupling nut dimensions are described by the Industrial Fastener Institute in IFI-128.
What are Extra Long Coupling Nuts’ features?
The Extra Long Coupling Nuts have below features:
Complete threads
The thread is deep, and the screw is neat and clear, the force Uniform and not easy to slip
Smooth and burr-free
No burr is very easy to use Convenient
Extra Long
Extra long hex coupling
Wear and corrosion resistant
Resistant in wet environments Oxidation
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, and mold components for injection molding, stamping-die, and 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 nuts 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.
Hex Coupling Nut Specifications
M8 Coupling Nut
M10 Coupling Nut
M12 Coupling Nut
M14 Coupling Nut
M16 Coupling Nut
M18 Coupling Nut
M20 Coupling Nut
M24 Coupling Nut
M30 Coupling Nut
Hex 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.
Heavy Hex Nut Extension Nut for Bolt Specifications
| Nominal Thread | D | L | Wrench Size |
| M8*1.25 | 14 | 13 | 14 |
| M10*1.5 | 17 | 11 | 17 |
| M10*1.5 | 17 | 15 | 17 |
| M10*1.5 | 17 | 30 | 17 |
| M12*1.75 | 19 | 14 | 19 |
| M12*1.75 | 19 | 18 | 19 |
| M12*1.75 | 19 | 30 | 19 |
| M12*1.75 | 19 | 38 | 19 |
| M14*2.0 | 22 | 15 | 22 |
| M14*2.0 | 22 | 19 | 22 |
| M14*2.0 | 22 | 41 | 22 |
| M16*2.0 | 24 | 17 | 24 |
| M16*2.0 | 24 | 25 | 24 |
| M16*2.0 | 24 | 45 | 24 |
| M16*2.0 | 24 | 50 | 24 |
| M18*2.5 | 27 | 20 | 27 |
| M18*2.5 | 27 | 28 | 27 |
| M18*2.5 | 27 | 50 | 27 |
| M20*2.5 | 30 | 22 | 30 |
| M20*2.5 | 30 | 32 | 30 |
| M20*2.5 | 30 | 57 | 30 |
| M22*2.5 | 32 | 24 | 32 |
| M22*2.5 | 32 | 36 | 32 |
| M22*2.5 | 32 | 60 | 32 |
| M24*3.0 | 36 | 26 | 36 |
| M24*3.0 | 36 | 37 | 36 |
| M24*3.0 | 36 | 60 | 36 |
| M24*3.0 | 36 | 70 | 36 |
| M27*3.0 | 41 | 28 | 41 |
| M27*3.0 | 41 | 41 | 41 |
| M27*3.0 | 41 | 80 | 41 |
| M27*3.0 | 41 | 100 | 41 |
| M30*3.5 | 46 | 32 | 46 |
| M30*3.5 | 46 | 49 | 46 |
| M30*3.5 | 46 | 80 | 46 |
| M30*3.5 | 46 | 100 | 46 |
| M36*4.0 | 55 | 50 | 55 |
Mold clamp bolts and nuts use for mold clamp styles, such as quick-change mold clamp, Adjustable Clamp Universal Mold Clamp, Closed-end Mold Clamp, Open-end Mold Clamp, universal mold clamp, easy clamp, step block mold clamp, stepped strap clamp, stamping die clamp, hold down clamp, Forged U Clamps, injection mold clamps, injection mold toe clamps, forged gooseneck clamp, forged T slot clamp, etc.
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