Product Content:
This Custom Cold Heading Steel Hex End Round Tube Coupling Nut for High Strength Industrial Fastening from Qimao Metal Manufacturer runs it through a multi-station cold header, forming the hex end and the round tube in one hit. No chips, no waste, and the grain structure stays continuous—which translates to real strength under load. The hex end lets you torque it up with a standard socket, and the tube section gives you plenty of thread engagement, so rods don’t pull out. We see these used a lot in structural steel connections and equipment frame assemblies where vibrations are an issue. We can tweak the length, wall thickness, and thread size to match your rod specs. Every piece gets checked for thread concentricity and hardness before it leaves our dock. Simple as that.

Product Specification:
| Product Name: | Item No.: | Material: | Measurement(mm): | Surface Finish: | Weight(g): | ||
| L: | Nut: | Dia: | |||||
| Custom Cold Heading Steel Hex End Round Tube Coupling Nut for High Strength Industrial Fastening | QM9061 | Steel | 15.22 | M6 | 9.35/6.26/6.16 | Polish | 4.52 |
Technical Details:
We start Custom Cold Heading Steel Hex End Round Tube Coupling Nut for High Strength Industrial Fastening produce with wire that’s already been spheroidized annealed—makes the cold forming process smoother and extends our tool life, which keeps your cost down. The hex end is formed with a slight lead-in chamfer, so you’re not fighting to get the socket on. The tube end gets a deburr pass; no sharp edges to cut your hands or damage the mating thread. Threads are rolled, not cut, because rolled threads have compressed flanks that resist stripping better. We hold the ID concentricity within a tight band, so when you spin the rod in, it doesn’t wobble. Wall thickness is consistent all the way around—we check that with a ball gauge. We can do zinc plating, dacromet, or just plain oil finish depending on your environment.
Core Advantages:
-
Custom Cold Heading Steel Hex End Round Tube Coupling Nut for High Strength Industrial Fastening ,the tube section gives extra thread grip—about 1.5 times the rod diameter. That means pull-out strength is noticeably higher than standard couplers.
-
Hex end works with standard impact sockets, so your guys on the floor don’t need special tools.
-
Cold heading work-hardens the steel slightly, so the bearing surfaces hold up longer under repeated torque cycles.
Wide Usage:
-
Custom Cold Heading Steel Hex End Round Tube Coupling Nut for High Strength Industrial Fastening for hydraulic manifold assemblies—they handle the pressure spikes without splitting.
-
Solar tracker actuators—used as connecting pivots in outdoor arrays, where weather cycling is constant.
-
Conveyor belt frame tensioners—the tube length acts as a guide sleeve, keeping the threaded rod straight under tension.
-
Mining screen deck supports—heavy shock loads, and these don’t crack at the thread root like machined ones sometimes do.











Reviews
There are no reviews yet.