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Coupling Nuts | Hex Coupling Nuts | Extension Nuts

Nuts

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Coupling Nuts | Hex Coupling Nuts | Extension Nuts

Hebei Chudu Metal Products Co., Ltd. supplies durable coupling nuts, also known as hex coupling nuts or extension nuts, designed to connect two male-threaded fasteners, typically threaded rods or studs. These nuts are commonly used in structural, mechanical, and plumbing applications to extend rod length and create stable connections.

  • Product Name Coupling Nut / Hex Coupling Nut / Rod Coupler / Extension Nut
  • Standards DIN 6334, ASME B18.2.2, ISO 4032, or customized
  • Grade 6, 8, 10, 12 / A2-70, A4-80
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Product Information
YDQ_3522_102
YDQ_2916_20
YDQ_2915_19

Product Overview

Product Name

Coupling Nut / Hex Coupling Nut / Rod Coupler / Extension Nut

Standards

DIN 6334, ASME B18.2.2, ISO 4032, or customized

Material

Carbon Steel

Stainless Steel (SS304, SS316)

Alloy Steel

Brass (available on request)

Grade

 4, 6, 8, 10, 12 / A2-70, A4-80

Thread Type

Metric / UNC / UNF / BSW / BSP

Finish Options

Zinc Plated (Clear / Yellow / Blue)

Black Oxide

Hot-Dip Galvanized (HDG)

Plain / Polished

Size Range

Metric: M5 – M48

Inch: 1/4" – 2"

Custom lengths and sizes available

Product Features

  • 3-4icon_ (10)
    Hexagonal shape for easy installation using a standard wrench
  • 3-4icon_ (9)
    Used to join threaded rods and extend their length
  • metalworking
    Available in long or short types to suit different load requirements
  • Industrial
    Ideal for tensioning systems and structural support
  • Easy to install and compatible with standard boltsnuts
    Manufactured with high precision for strong and reliable thread engagement
  • General fastening in industrial settings
    Optional left-hand or right-hand thread combinations available
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Applications

  • metalworking

    Construction and steel structure connections

  • HVAC systems

    HVAC and plumbing installations

  • Tensioning rods in bridges and towers

    Tensioning rods in bridges and towers

  • Industrial

    Equipment assembly and maintenance

  • Electrical

    Electrical supports and mounting systems

  • Solar mounting systems

    Solar panel structures and renewable energy systems

Packaging & Delivery

Packaging

Bulk in cartons and pallets

Retail boxes, plastic bags, or custom-branded packaging available

Lead Time

7–30 days depending on quantity and customization

Shipping Port

Tianjin, China

Why Choose Hebei Chudu

Over a decade of expertise in fastener production and global export.
ISO 9001 certified with complete quality inspection process.
Custom sizes, materials, and threads available for special applications.
Competitive pricing, short lead time, and stable supply.
Support for OEM/ODM orders and professional export service.
Extensive product range for industrial, commercial, and structural fastening.

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