
Nuts
Coupling Nuts (Hex Couplers)
Hextro supplies coupling nuts and hex couplers from China for threaded rod connections, with DIN 6334, metric, inch, right-hand and left-hand thread options.
Specifications
- Available Materials
- Low-carbon steel, carbon steel, stainless steel 304, stainless steel 316 and other specified materials according to strength, corrosion resistance and application requirements.
- Surface Finish Options
- Zinc plating, hot-dip galvanizing, nickel plating, black oxide, phosphate, passivation and other custom surface treatments.
- Common Applications
- Threaded rod connection, HVAC hangers, solar racking, machinery frames, fixtures, construction installation, adjustment systems and OEM fastening projects.
- What We Need for Quotation
- Please send thread size, total length, standard, material grade, thread direction, surface finish, quantity, application details and drawings or samples if available.
Coupling nuts, also called hex couplers or long nuts, are extended-length hex nuts used to connect threaded rods, studs or bolts, and to provide adjustment range in installation systems. They are commonly used in construction fixing, HVAC hangers, solar racking, machinery frames, fixtures and industrial assembly projects.
Hextro supplies coupling nuts in metric and inch sizes according to DIN 6334, drawings, samples or customized requirements. Options may include standard right-hand threads, left-hand threads for adjustment or turnbuckle systems, mixed left/right sets, special lengths and internal thread reductions.
Available Materials: Low-carbon steel, carbon steel, stainless steel 304, stainless steel 316 and other specified materials according to strength, corrosion resistance and application requirements.
Surface Finish Options: Zinc plating, hot-dip galvanizing, nickel plating, black oxide, phosphate, passivation and other custom surface treatments.
Common Applications: Threaded rod connection, HVAC hangers, solar racking, machinery frames, fixtures, construction installation, adjustment systems and OEM fastening projects.
What We Need for Quotation: Please send thread size, total length, standard, material grade, thread direction, surface finish, quantity, application details and drawings or samples if available.
Quality Check Points: Thread accuracy, thread depth, across-flats dimension, total length, chamfer quality, surface finish, burr control, thread direction marking and packaging can be checked according to order requirements.
Laser-etched direction arrows, mixed left/right sets and special machining requirements can be discussed if required.



